diff --git a/engine.go b/engine.go
index 7e562eb5..63a353c5 100644
--- a/engine.go
+++ b/engine.go
@@ -344,7 +344,7 @@ func (engine *Engine) In(column string, args ...interface{}) *Session {
 	return session.In(column, args...)
 }
 
-// Method In provides a update string like "column = column + ?"
+// Method Inc provides a update string like "column = column + ?"
 func (engine *Engine) Inc(column string, arg interface{}) *Session {
 	session := engine.NewSession()
 	session.IsAutoClose = true