diff --git a/docs/configuration.md b/docs/configuration.md
index 13bc3bc4c8..f084805c1d 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -200,7 +200,7 @@ matchers:
 # Note that this parameter is implicitly bound by Alertmanager's
 # `--data.retention` configuration flag. Notifications will be resent after either
 # repeat_interval or the data retention period have passed, whichever
-# occurs first. `repeat_interval` should not be less than `group_interval`.
+# occurs first. `repeat_interval` should be a multiple of `group_interval`.
 [ repeat_interval: <duration> | default = 4h ]
 
 # Times when the route should be muted. These must match the name of a