diff --git a/graph/function/api_draw_dot.go b/graph/function/api_draw_dot.go
index da421bb..0754170 100644
--- a/graph/function/api_draw_dot.go
+++ b/graph/function/api_draw_dot.go
@@ -12,6 +12,7 @@ func (fg *Graph) setProperty(vertexHash string, propertyK string, propertyV stri
 		return err
 	}
 	properties.Attributes[propertyK] = propertyV
+	// fake edit
 	return nil
 }
 
diff --git a/parser/lsif/code_hover.go b/parser/lsif/code_hover.go
index 518e4ba..88e3c54 100644
--- a/parser/lsif/code_hover.go
+++ b/parser/lsif/code_hover.go
@@ -65,6 +65,7 @@ func newCodeHovers(contents json.RawMessage) ([]*codeHover, error) {
 	var rawContents []json.RawMessage
 	if err := json.Unmarshal(contents, &rawContents); err != nil {
 		rawContents = []json.RawMessage{contents}
+		// fake edge
 	}
 	log.Debug("abc")