diff --git a/src/GEOM_SWIG/geompy.py b/src/GEOM_SWIG/geompy.py
index d1095f4fe..0a231ab73 100644
--- a/src/GEOM_SWIG/geompy.py
+++ b/src/GEOM_SWIG/geompy.py
@@ -2047,7 +2047,8 @@ def CheckCompoundOfBlocks(theCompound):
     return IsValid
 
 ## Remove all seam and degenerated edges from \a theShape.
-#  Unite faces and edges, sharing one surface.
+#  Unite faces and edges, sharing one surface. It means that
+#  this faces must have references to one C++ surface object (handle).
 #  @param theShape The compound or single solid to remove irregular edges from.
 #  @return Improved shape.
 #