Fixes typo/incorrect info in comment on registry override.
@@ -16,7 +16,7 @@ prometheus:
enableAlerting: false
# imageRegistry can be used to globally override where check images are pulled from. Individual checks can be overridden below.
-# By default all images are paulled from Github.
+# By default if no overrides are specified, all images are pulled from Docker Hub.
imageRegistry: {}
image:
