Correct gems syntax

dgmstuart · dgmstuart · commit 583e7642a872 · 2016-01-21T21:32:55.000Z
diff --git a/README.md b/README.md
@@ -23,7 +23,7 @@ Then install the gem with Bundler
 Then add the gem to your Jekyll configuration.
 
     gems:
-      -octopress-image-tag
+      - octopress-image-tag
 
 ## Usage
 
