diff --git a/src/main/java/com/alibaba/druid/filter/wall/spi/SQLServerProvider.java b/src/main/java/com/alibaba/druid/filter/wall/spi/SQLServerProvider.java
index 138c8ef133..7518c8acba 100644
--- a/src/main/java/com/alibaba/druid/filter/wall/spi/SQLServerProvider.java
+++ b/src/main/java/com/alibaba/druid/filter/wall/spi/SQLServerProvider.java
@@ -36,7 +36,7 @@ public class SQLServerProvider extends WallProvider {
      */
     @Override
     public WallVisitor createWallVisitor() {
-        // TODO Auto-generated method stub
+        // TODO Auto-generated method stub.
         return null;
     }