diff --git a/content/actions/creating-actions/creating-a-docker-container-action.md b/content/actions/creating-actions/creating-a-docker-container-action.md
index 31c1d5641f..c7f91b3a43 100644
--- a/content/actions/creating-actions/creating-a-docker-container-action.md
+++ b/content/actions/creating-actions/creating-a-docker-container-action.md
@@ -57,7 +57,7 @@ Before you begin, you'll need to create a {% data variables.product.prodname_dot
 
 ## Creating a Dockerfile
 
-In your new `hello-world-docker-action` directory, create a new `Dockerfile` file. Make sure that your filename is capitalized correclty if you're having issues. For more information, see "[Dockerfile support for {% data variables.product.prodname_actions %}](/actions/creating-actions/dockerfile-support-for-github-actions)."
+In your new `hello-world-docker-action` directory, create a new `Dockerfile` file. Make sure that your filename is capitalized correctly (use a capital `D` but not a capital `f`) if you're having issues. For more information, see "[Dockerfile support for {% data variables.product.prodname_actions %}](/actions/creating-actions/dockerfile-support-for-github-actions)."
 
 **Dockerfile**
 ```Dockerfile{:copy}