diff --git a/docs/articles/dockerfile_best-practices.md b/docs/articles/dockerfile_best-practices.md
index d97d280a6a..7c9a322c49 100644
--- a/docs/articles/dockerfile_best-practices.md
+++ b/docs/articles/dockerfile_best-practices.md
@@ -382,7 +382,7 @@ Or, it can be used to run Postgres and pass parameters to the server:
 
     $ docker run postgres postgres --help
 
-Lastly, it could also be used to start a totally different tool, such Bash:
+Lastly, it could also be used to start a totally different tool, such as Bash:
 
     $ docker run --rm -it postgres bash