diff --git a/lib/main.js b/lib/main.js
index 33e36c552..03aeeb322 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -43,7 +43,7 @@ const otpConfig = require(YAML_CONFIG)
 // eslint-disable-next-line no-undef
 const jsConfig = require(JS_CONFIG).configure(otpConfig)
 
-// Plug the plan query into the config (if available)
+// If defined, plug custom plan query into the redux config, so it is available from actions.
 otpConfig.api.planQuery = jsConfig.planQuery
 
 const history = createHashHistory()