diff --git a/src/bonsai/bonsai/bim/module/project/prop.py b/src/bonsai/bonsai/bim/module/project/prop.py
index 3d6f0460bc..900d92e81f 100644
--- a/src/bonsai/bonsai/bim/module/project/prop.py
+++ b/src/bonsai/bonsai/bim/module/project/prop.py
@@ -299,7 +299,14 @@ class BIMProjectProperties(PropertyGroup):
     should_merge_materials_by_colour: BoolProperty(name="Merge Materials by Colour", default=False)
     should_stream: BoolProperty(name="Stream Data From IFC-SPF (Only for advanced users)", default=False)
     should_load_geometry: BoolProperty(name="Load Geometry", default=True)
-    should_clean_mesh: BoolProperty(name="Clean Meshes", default=False)
+    should_clean_mesh: BoolProperty(
+        name="Clean Meshes",
+        description=(
+            "Convert all triangles to quads for meshes. "
+            "By default Bonsai is importing meshes triangulated (even if they are not stored as triangulated in IFC)."
+        ),
+        default=False,
+    )
     should_cache: BoolProperty(name="Cache", default=False)
     deflection_tolerance: FloatProperty(name="Deflection Tolerance", default=0.001)
     angular_tolerance: FloatProperty(name="Angular Tolerance", default=0.5)