diff --git a/doc/how_to_run.md b/doc/how_to_run.md
index ea31909..77c1f5d 100644
--- a/doc/how_to_run.md
+++ b/doc/how_to_run.md
@@ -23,7 +23,7 @@
 $ sbt package
 ```
 
-`gitbucket_2.11-x.x.x.war` is generated into `target/scala-2.11`.
+`gitbucket_2.12-x.x.x.war` is generated into `target/scala-2.12`.
 
 To build executable war file, run