diff --git a/include/wx/propgrid/property.h b/include/wx/propgrid/property.h
index bbf9073a85..a665268231 100644
--- a/include/wx/propgrid/property.h
+++ b/include/wx/propgrid/property.h
@@ -412,7 +412,7 @@ wxPG_PROP_CLASS_SPECIFIC_2          = 0x00100000
     Identifiers.
 
     wxPGProperty::SetAttribute() and
-    wxPropertyGridInterfaces::SetPropertyAttribute() accept one of these as
+    wxPropertyGridInterface::SetPropertyAttribute() accept one of these as
     attribute name argument.
 
     You can use strings instead of constants. However, some of these
diff --git a/interface/wx/propgrid/property.h b/interface/wx/propgrid/property.h
index a88d3fac9b..81ac31dbe6 100644
--- a/interface/wx/propgrid/property.h
+++ b/interface/wx/propgrid/property.h
@@ -39,7 +39,8 @@ struct wxPGChoiceInfo
 
 /** @section propgrid_property_attributes wxPropertyGrid Property Attribute Identifiers
 
-    wxPGProperty::SetAttribute() and wxPropertyGridInterfaces::SetPropertyAttribute()
+    wxPGProperty::SetAttribute() and
+    wxPropertyGridInterface::SetPropertyAttribute()
     accept one of these as attribute name argument .
 
     You can use strings instead of constants. However, some of these