Added another formatting change I overlooked
diff --git a/README.md b/README.md
index 35217e7..faeb5d3 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@
 * `lib/custom.bash`
 * `plugins/custom.plugins.bash`
 
-and anything in the custom directory will be ignored with the exception of custom/example.bash.
+and anything in the custom directory will be ignored with the exception of `custom/example.bash`.
 
 ## Themes