diff --git a/lib/classes/ConfigSchemaHandler/index.js b/lib/classes/ConfigSchemaHandler/index.js
index 73bcb623d58..09152d79b02 100644
--- a/lib/classes/ConfigSchemaHandler/index.js
+++ b/lib/classes/ConfigSchemaHandler/index.js
@@ -207,13 +207,15 @@ class ConfigSchemaHandler {
   }
 
   relaxProviderSchema() {
+    // provider
     this.schema.properties.provider.additionalProperties = true;
+
+    // functions[]
     this.schema.properties.functions.patternProperties[
       FUNCTION_NAME_PATTERN
     ].additionalProperties = true;
 
-    // Do not report errors regarding unsupported function events as
-    // their schemas are not defined.
+    // functions[].events[]
     if (
       Array.isArray(
         this.schema.properties.functions.patternProperties[FUNCTION_NAME_PATTERN].properties.events