fixed quotes in documentation
diff --git a/buildbot/google/docker/windows.md b/buildbot/google/docker/windows.md
index df1dc8b..650930d 100644
--- a/buildbot/google/docker/windows.md
+++ b/buildbot/google/docker/windows.md
@@ -25,7 +25,7 @@
 1. Install your development tools, a good starting point is:
     ```
     choco install -y git vscode googlechrome arcanist vim
-    ``
+    ```
 1. Setup your github account and push access. Start "Git bash" and run 
    `ssh-keygen`, upload your public key to Github.
 1. Setup your Phabricator account for `arc diff`.