diff --git a/src/blenderbim/blenderbim/bim/module/brick/operator.py b/src/blenderbim/blenderbim/bim/module/brick/operator.py
index 18b3e7bd4b..9cb9c81c63 100644
--- a/src/blenderbim/blenderbim/bim/module/brick/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/brick/operator.py
@@ -105,6 +105,7 @@ class ConvertBrickProject(bpy.types.Operator, Operator):
     bl_idname = "bim.convert_brick_project"
     bl_label = "Convert Brick Project"
     bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Create an Ifc library for this Brick project"
 
     def _execute(self, context):
         core.convert_brick_project(tool.Ifc, tool.Brick)
@@ -114,6 +115,7 @@ class AssignBrickReference(bpy.types.Operator, Operator):
     bl_idname = "bim.assign_brick_reference"
     bl_label = "Assign Brick Reference"
     bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Assign the selected Ifc entity to the selected Brick entity"
 
     def _execute(self, context):
         props = context.scene.BIMBrickProperties
@@ -172,6 +174,7 @@ class ConvertIfcToBrick(bpy.types.Operator, Operator):
     bl_idname = "bim.convert_ifc_to_brick"
     bl_label = "Convert IFC To Brick"
     bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Convert Ifc entities and relations to Brick entities and relations"
 
     def _execute(self, context):
         props = context.scene.BIMBrickProperties
diff --git a/src/blenderbim/blenderbim/bim/module/brick/ui.py b/src/blenderbim/blenderbim/bim/module/brick/ui.py
index c175ecb867..ecb8c39ac7 100644
--- a/src/blenderbim/blenderbim/bim/module/brick/ui.py
+++ b/src/blenderbim/blenderbim/bim/module/brick/ui.py
@@ -279,18 +279,24 @@ class BIM_PT_ifc_brickschema_references(Panel):
             row.label(text="No Brickschema Project Loaded")
             return
 
-        if not BrickschemaReferencesData.data["libraries"]:
+        if not BrickschemaReferencesData.data["libraries"] and BrickStore.path:
             row = self.layout.row(align=True)
-            if BrickStore.path:
-                row.label(text="No IFC Libraries")
-                row.operator("bim.convert_brick_project", text="", icon="ADD")
-            else:
-                row.label(text="No IFC Libraries. Save the Brick project to create a new library.", icon="ERROR")
+            row.label(text="No IFC Libraries")
+            row.operator("bim.convert_brick_project", text="", icon="ADD")
+            return
+        
+        if not BrickschemaReferencesData.data["libraries"] and not BrickStore.path:
+            row = self.layout.row(align=True)
+            row.label(text="No IFC Libraries: save the Brick project to create a new library", icon="ERROR")
+
+            row = self.layout.row(align=True)
+            row.label(text="Libraries must have location pointing to a \".ttl\" file", icon="INFO")
             return
 
         row = self.layout.row(align=True)
         prop_with_search(row, self.props, "libraries")
-        row.operator("bim.convert_brick_project", text="", icon="ADD")
+        if BrickStore.path:
+            row.operator("bim.convert_brick_project", text="", icon="ADD")
 
         row = self.layout.row(align=True)
         row.operator("bim.assign_brick_reference", icon="ADD")