diff --git a/src/constants.js b/src/constants.js
index ca866ba55..0758dcaaa 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -41,7 +41,7 @@ exports = module.exports = {
 
     AUTOUPDATE_PATTERN_NEVER: 'never',
 
-    SECRET_PLACEHOLDER: String.fromCharCode(0x25CF).repeat(8),
+    SECRET_PLACEHOLDER: String.fromCharCode(0x25CF).repeat(8), // also used in dashboard client.js
 
     CLOUDRON: CLOUDRON,
     TEST: TEST,