diff --git a/src/blenderbim/Makefile b/src/blenderbim/Makefile
index cab460be55..c9dd15b758 100644
--- a/src/blenderbim/Makefile
+++ b/src/blenderbim/Makefile
@@ -475,14 +475,14 @@ endif
 	cp -r dist/working/IFC2JSON_python-master/file_converters/ifcjson dist/blenderbim/libs/site/packages/
 	rm -rf dist/working
 
-	# Provides OpenLCA fucntionality
+	# Provides OpenLCA functionality
 	mkdir dist/working
 	cd dist/working && wget https://files.pythonhosted.org/packages/85/33/f91b96e9e8608ff65a003b692e8a9cdd60f2178f60617e5b1d21334c009c/olca-ipc-0.0.10.tar.gz
 	cd dist/working && tar -xzvf olca-ipc*
 	cd dist/working/olca-ipc-0.0.10/ && cp -r olca ../../blenderbim/libs/site/packages/
 	rm -rf dist/working
 
-	# Provides Brickschema fucntionality
+	# Provides Brickschema functionality
 	mkdir dist/working
 	cd dist/working && wget https://files.pythonhosted.org/packages/ca/37/8309da9a72407d2f5eb5489c197ac3cfe96ee3ccba1902d2a0ecc7843f92/brickschema-0.5.1.tar.gz
 	cd dist/working && tar -xzvf brickschema*
diff --git a/src/blenderbim/blenderbim/bim/module/boundary/operator.py b/src/blenderbim/blenderbim/bim/module/boundary/operator.py
index 4fd108d1fc..3b29c51e88 100644
--- a/src/blenderbim/blenderbim/bim/module/boundary/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/boundary/operator.py
@@ -49,7 +49,7 @@ class Loader:
         if not boundary.ConnectionGeometry:
             return None
         surface = boundary.ConnectionGeometry.SurfaceOnRelatingElement
-        # workaround for unvalid geometry provided by Revit. See https://github.com/IfcOpenShell/IfcOpenShell/issues/635#issuecomment-770366838
+        # workaround for invalid geometry provided by Revit. See https://github.com/IfcOpenShell/IfcOpenShell/issues/635#issuecomment-770366838
         if surface.is_a("IfcCurveBoundedPlane") and not getattr(surface, "InnerBoundaries", None):
             surface.InnerBoundaries = ()
         shape = ifcopenshell.geom.create_shape(self.settings, surface)
diff --git a/src/blenderbim/blenderbim/bim/module/drawing/gizmos.py b/src/blenderbim/blenderbim/bim/module/drawing/gizmos.py
index e939713dae..40e02b4968 100644
--- a/src/blenderbim/blenderbim/bim/module/drawing/gizmos.py
+++ b/src/blenderbim/blenderbim/bim/module/drawing/gizmos.py
@@ -317,7 +317,7 @@ class OffsetHandle:
         base = Vector((0, 0, 0))
         axis = Vector((0, 0, 1))
 
-        # projecttion of the arrow to a plane, perpendicular to view ray
+        # projection of the arrow to a plane, perpendicular to view ray
         axis_proj = axis - ray_norm * axis.dot(ray_norm)
 
         # intersection of the axis with the plane through view origin perpendicular to the arrow projection
diff --git a/src/blenderbim/blenderbim/bim/module/drawing/helper.py b/src/blenderbim/blenderbim/bim/module/drawing/helper.py
index c2dfd8c1eb..92a27a8a8e 100644
--- a/src/blenderbim/blenderbim/bim/module/drawing/helper.py
+++ b/src/blenderbim/blenderbim/bim/module/drawing/helper.py
@@ -88,17 +88,17 @@ class BoundingBox:
     def intersect(self, bb):
         retVal = False
         if self.vertex != None and bb.vertex != None:
-            # check all the faces of this object for a seperation axis
+            # check all the faces of this object for a separation axis
             for i, f in enumerate(self.face):
                 d = f.normal
                 if self.whichSide(bb.vertex, d, f.vertex[0]) > 0:
-                    return False  # all the vertexes are on the +ve side of the face
+                    return False  # all the vertices are on the +ve side of the face
 
             # now do it again for the other objects faces
             for i, f in enumerate(bb.face):
                 d = f.normal
                 if self.whichSide(self.vertex, d, f.vertex[0]) > 0:
-                    return False  # all the vertexes are on the +ve side of the face
+                    return False  # all the vertices are on the +ve side of the face
 
             # do edge checks
             for e1 in self.edge:
@@ -139,7 +139,7 @@ def format_distance(value, isArea=False, hide_units=True):
 
     value *= scaleFactor
 
-    # Imperial Formating
+    # Imperial Formatting
     if unit_system == "IMPERIAL":
         precision = bpy.context.scene.BIMProperties.imperial_precision
         if precision == "NONE":
@@ -152,7 +152,7 @@ def format_distance(value, isArea=False, hide_units=True):
         base = int(precision)
         decInches = value * toInches
 
-        # Seperate ft and inches
+        # Separate ft and inches
         # Unless Inches are the specified Length Unit
         if unit_length != "INCHES":
             feet = math.floor(decInches / inPerFoot)
@@ -160,7 +160,7 @@ def format_distance(value, isArea=False, hide_units=True):
         else:
             feet = 0
 
-        # Seperate Fractional Inches
+        # Separate Fractional Inches
         inches = math.floor(decInches)
         if inches != 0:
             frac = round(base * (decInches - inches))
@@ -202,7 +202,7 @@ def format_distance(value, isArea=False, hide_units=True):
         else:
             tx_dist = str("%1.3f" % (value * toInches / inPerFoot)) + " sq. ft."
 
-    # METRIC FORMATING
+    # METRIC FORMATTING
     elif unit_system == "METRIC":
         precision = bpy.context.scene.BIMProperties.metric_precision
         if precision != 0:
diff --git a/src/blenderbim/blenderbim/bim/module/drawing/operator.py b/src/blenderbim/blenderbim/bim/module/drawing/operator.py
index eca88ec09d..6ee100164d 100644
--- a/src/blenderbim/blenderbim/bim/module/drawing/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/drawing/operator.py
@@ -1195,7 +1195,7 @@ class AddSectionsAnnotations(bpy.types.Operator):
         ]
 
         def sideview(cam):
-            # leftmost and righmost points of camera view area, local coords
+            # leftmost and rightmost points of camera view area, local coords
             xmin, xmax, _, _, _, _ = helper.ortho_view_frame(cam.data, margin=0)
             proj = camera.matrix_world.inverted() @ cam.matrix_world
             p_l = proj @ Vector((xmin, 0, 0))
diff --git a/src/blenderbim/blenderbim/bim/module/project/operator.py b/src/blenderbim/blenderbim/bim/module/project/operator.py
index 281931a834..f634cea3a7 100644
--- a/src/blenderbim/blenderbim/bim/module/project/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/project/operator.py
@@ -451,7 +451,7 @@ class EditHeader(bpy.types.Operator):
     bl_idname = "bim.edit_header"
     bl_label = "Edit Header"
     bl_options = {"REGISTER", "UNDO"}
-    bl_description = "Save header informations"
+    bl_description = "Save header information"
 
     @classmethod
     def poll(cls, context):
@@ -507,7 +507,7 @@ class DisableEditingHeader(bpy.types.Operator):
     bl_idname = "bim.disable_editing_header"
     bl_label = "Disable Editing Header"
     bl_options = {"REGISTER", "UNDO"}
-    bl_description = "Cancel unsaved header informations"
+    bl_description = "Cancel unsaved header information"
 
     def execute(self, context):
         context.scene.BIMProjectProperties.is_editing = False
diff --git a/src/blenderbim/blenderbim/bim/module/void/operator.py b/src/blenderbim/blenderbim/bim/module/void/operator.py
index 079bf72c97..fe6cc867b9 100644
--- a/src/blenderbim/blenderbim/bim/module/void/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/void/operator.py
@@ -59,7 +59,7 @@ class AddOpening(bpy.types.Operator):
                 return {"FINISHED"}
             bpy.ops.bim.assign_class(obj=opening.name, ifc_class="IfcOpeningElement", context_id=body_context.id())
 
-        # If the IfcOpeningElement aleady voids another object, remove the boolean modifier
+        # If the IfcOpeningElement already voids another object, remove the boolean modifier
         opening_element = self.file.by_id(opening.BIMObjectProperties.ifc_definition_id)
         if opening_element.VoidsElements:
             other_obj = IfcStore.get_element(opening_element.VoidsElements[0].RelatingBuildingElement.id())
diff --git a/src/blenderbim/blenderbim/core/tool.py b/src/blenderbim/blenderbim/core/tool.py
index 4e7d74d0bb..2081d61d48 100644
--- a/src/blenderbim/blenderbim/core/tool.py
+++ b/src/blenderbim/blenderbim/core/tool.py
@@ -22,7 +22,7 @@ import inspect
 # fmt: off
 # pylint: skip-file
 
-# This interface class and decorator is magic syntatic sugar to allow concise interface definitions
+# This interface class and decorator is magic syntactic sugar to allow concise interface definitions
 # If we didn't do this, Python is unnecessarily verbose, which I find distracting. Don't black this file :)
 class Interface(abc.ABC): pass
 def interface(cls):
diff --git a/src/blenderbim/docs/devs/running_tests.rst b/src/blenderbim/docs/devs/running_tests.rst
index ff9d54ddf3..b8c50ec923 100644
--- a/src/blenderbim/docs/devs/running_tests.rst
+++ b/src/blenderbim/docs/devs/running_tests.rst
@@ -7,8 +7,8 @@ The BlenderBIM Add-on has three layers of tests for each of its three technology
 layers:
 
 1. **Core tests**: abstract domain logic unit tests agnostic of Blender
-2. **Tool tests**: low-level concrete unit tests dependant on Blender
-3. **BIM tests**: high-level integration UI and smoke tests dependant on Blender
+2. **Tool tests**: low-level concrete unit tests dependent on Blender
+3. **BIM tests**: high-level integration UI and smoke tests dependent on Blender
 
 These tests use ``pytest`` as the test framework and runner, so install it:
 
diff --git a/src/blenderbim/docs/devs/undo_system.rst b/src/blenderbim/docs/devs/undo_system.rst
index ddf7f1b717..fa3454ef5a 100644
--- a/src/blenderbim/docs/devs/undo_system.rst
+++ b/src/blenderbim/docs/devs/undo_system.rst
@@ -2,7 +2,7 @@ Undo system
 ===========
 
 Supporting undo and redo is quite a complex problem because the Blender undo
-system only keeps track of changes occuring in the Blender system. However,
+system only keeps track of changes occurring in the Blender system. However,
 changes actually occur in two other locations that Blender doesn't know about:
 the IFC dataset, and the BlenderBIM Add-on system that synchronises Blender and
 the IFC dataset.
diff --git a/src/blenderbim/docs/devs/ux_guidelines.rst b/src/blenderbim/docs/devs/ux_guidelines.rst
index edc5ba40e6..840e8723e0 100644
--- a/src/blenderbim/docs/devs/ux_guidelines.rst
+++ b/src/blenderbim/docs/devs/ux_guidelines.rst
@@ -23,7 +23,7 @@ BIM will by definition contain a (big) number of submodules or subschemas. Grant
 
   - Tools to create, modify or delete items are in the dedicated Toolbar (The left one)   in the 3D viewport
   
-  - Some Misc tools and informations are displayed in the N panel of the 3D viewport .   They're shortcuts to things that are already present elsewhere in the UI, but are   handy to have when modifying objects or geometry in the Viewport.
+  - Some Misc tools and information are displayed in the N panel of the 3D viewport .   They're shortcuts to things that are already present elsewhere in the UI, but are   handy to have when modifying objects or geometry in the Viewport.
   
   - Adding specific Import / Export IFC operators (arguably a bit misleading since   BlenderBim does more than import / export in these operations)
 
@@ -87,7 +87,7 @@ Icons
 
 **Use** : To disable the edition state of a particular item.
 
-**Expected result** : A part of the interface showing the item attributes is either shrinked down or hidden. The button is usually replaced by a button to delete this item.
+**Expected result** : A part of the interface showing the item attributes is either shrunk down or hidden. The button is usually replaced by a button to delete this item.
 
 * .. image:: https://user-images.githubusercontent.com/25156105/137271575-dcae9e56-3c64-4d8b-89b0-6cf103b999f2.png
 
@@ -139,7 +139,7 @@ Icons
 
 **Use** : to import a particular file from the user's computer's directory to the current context
 
-**Expected result** : A new file browser window should open, with sufficient information provided to the user to know which file type should be loaded in (eg adding a file extension, adding information in the filebrowser UI). When the file is loaded, the interface should expand to show the attributes or informations or new context-sensitive operations provided by the imported file.
+**Expected result** : A new file browser window should open, with sufficient information provided to the user to know which file type should be loaded in (eg adding a file extension, adding information in the filebrowser UI). When the file is loaded, the interface should expand to show the attributes or information or new context-sensitive operations provided by the imported file.
 
 **Proposal** : Currently there are some instances where I don't know if the elements are supposed to require an external file, eg 
  
diff --git a/src/blenderbim/docs/devs/writing_docs.rst b/src/blenderbim/docs/devs/writing_docs.rst
index 279111bb3f..e98ce4d155 100644
--- a/src/blenderbim/docs/devs/writing_docs.rst
+++ b/src/blenderbim/docs/devs/writing_docs.rst
@@ -2,7 +2,7 @@ Writing docs
 ============
 
 The following colours and annotation styles should be used for annotating
-images. All stroke widths are 3px with a corner radius of 3px.  Horizonal
+images. All stroke widths are 3px with a corner radius of 3px.  Horizontal
 underlines are 5px with a corner radius of 2px. The dark green is **39b54a** and
 the light green is **d9e021**.
 
diff --git a/src/blenderbim/docs/users/georeferencing.rst b/src/blenderbim/docs/users/georeferencing.rst
index 4127fbacfb..29c6fae4be 100644
--- a/src/blenderbim/docs/users/georeferencing.rst
+++ b/src/blenderbim/docs/users/georeferencing.rst
@@ -63,7 +63,7 @@ Northings, and Orthogonal Height in the **IFC Georeferencing** panel.
 
 When **Local engineering coordinates** are used, typically the architect will
 nominate a local origin and model geometry will be drawn orthogonally (i.e.
-along the X and Y axis). This local origin often correlates with a site bounary,
+along the X and Y axis). This local origin often correlates with a site boundary,
 surveyed point, or grid intersection. This means that the model's coordinates
 are typically smaller numbers and correlate to surface distance measurements,
 not Eastings and Northings, and the model's +Y axis will point to **Project
@@ -205,7 +205,7 @@ True north
 
 When **Local engineering coordinates** are used, the model's +Y axis points to
 **Project North** for the convenience of drafting. When **Map Coordinates** are
-used, the model's +Y axis points to **Grid North** for the neccessity of
+used, the model's +Y axis points to **Grid North** for the necessity of
 surveying.
 
 **Project North** and **Grid North** is different to **True North**. The angle
diff --git a/src/blenderbim/scripts/gbxml.py b/src/blenderbim/scripts/gbxml.py
index 591a1c3509..17e17be258 100644
--- a/src/blenderbim/scripts/gbxml.py
+++ b/src/blenderbim/scripts/gbxml.py
@@ -156,7 +156,7 @@ class GbxmlExporter:
     def create_opening(self, object, polygon, parent):
         opening = self.gbxml.add_element(parent, "Opening")
         opening.set("id", "opening-{}-{}".format(object.name, polygon.index))
-        opening.set("windowTypeIdRef", "STD_EX11")  # harcoded
+        opening.set("windowTypeIdRef", "STD_EX11")  # hardcoded
         opening.set("openingType", "FixedWindow")  # hardcoded
         planar_geometry = self.gbxml.add_element(opening, "PlanarGeometry")
         self.create_poly_loop(object, polygon, planar_geometry)
diff --git a/src/blenderbim/scripts/generate_util_type_json.py b/src/blenderbim/scripts/generate_util_type_json.py
index c73445673d..64c8588969 100644
--- a/src/blenderbim/scripts/generate_util_type_json.py
+++ b/src/blenderbim/scripts/generate_util_type_json.py
@@ -49,7 +49,7 @@ with open(filepath) as fp:
             entity_to_type_map.setdefault(entity, []).append(type_class)
         line = fp.readline()
 
-# This type of hacky express parsing doesn't accomodate subtypes, so...
+# This type of hacky express parsing doesn't accommodate subtypes, so...
 
 
 def get_inherited_map(declaration):
diff --git a/src/blenderbim/test/bim/feature/demo.feature b/src/blenderbim/test/bim/feature/demo.feature
index 616ee06352..5457bd5170 100644
--- a/src/blenderbim/test/bim/feature/demo.feature
+++ b/src/blenderbim/test/bim/feature/demo.feature
@@ -25,7 +25,7 @@
 #|    Given an empty IFC project
 #|    When I press "bim.demonstrate_hello_world"
 #|    # Blender doesn't have a way of testing that things are visible in the
-#|    # interface and layout. We can check properties, and whats in the 3D
+#|    # interface and layout. We can check properties, and what's in the 3D
 #|    # scenegraph, but not layout. There is no "DOM" like in web applications.
 #|    # Too bad, we can't check the results, but we still write the test, that way
 #|    # we can still check for errors like crashes or Python errors, like a "smoke