diff --git a/doc/fluid/beginners_guide/install/install_Docker_en.md b/doc/fluid/beginners_guide/install/install_Docker_en.md
index ac18a6675ba8abba79cdfeb42155a7338575cceb..22b4531a5ffba03ed21dc6769518be628bb2c7f6 100644
--- a/doc/fluid/beginners_guide/install/install_Docker_en.md
+++ b/doc/fluid/beginners_guide/install/install_Docker_en.md
@@ -87,5 +87,5 @@ After entering Docker, execute the following commands:
 
 * ***GPU version PaddlePaddle***: `pip uninstall paddlepaddle-gpu`
 
-or use `docker rm [Name of container]` to delete Docker container directly.
+or use `docker rm [Name of container]` to delete a Docker container directly.