diff --git a/config.sample.yml b/config.sample.yml
index 4a2b4a21..4ad45199 100644
--- a/config.sample.yml
+++ b/config.sample.yml
@@ -162,7 +162,7 @@ externalLogging:
 theme:
   primary: indigo
   alt: blue-grey
-  viewSource: all
+  viewSource: all # all | write | false
   footer: blue-grey
   code:
     dark: true