diff --git a/interface/wx/propgrid/property.h b/interface/wx/propgrid/property.h
index f7f2eb9262..841d2615ce 100644
--- a/interface/wx/propgrid/property.h
+++ b/interface/wx/propgrid/property.h
@@ -164,9 +164,9 @@ struct wxPGPaintData
 #define wxPG_DIR_DIALOG_MESSAGE             wxS("DialogMessage")
 
 /**
-    wxArrayStringProperty's string delimiter character. If this is a quotation
-    mark or hyphen, then strings will be quoted instead (with given
-    character).
+    Built-in attribute to set wxArrayStringProperty's string delimiter
+    character. If this is a quotation mark or hyphen, then strings
+    will be quoted instead (with given character).
 
     Default delimiter is quotation mark.
 */
diff --git a/src/propgrid/props.cpp b/src/propgrid/props.cpp
index 881bd2ebd0..3dabbd213d 100644
--- a/src/propgrid/props.cpp
+++ b/src/propgrid/props.cpp
@@ -2923,9 +2923,9 @@ bool wxArrayStringProperty::DoSetAttribute( const wxString& name, wxVariant& val
     {
         m_delimiter = value.GetChar();
         GenerateValueAsString();
-        return false;
+        return true;
     }
-    return true;
+    return false;
 }
 
 // -----------------------------------------------------------------------