diff --git a/app/vmalert/README.md b/app/vmalert/README.md
index 3aee5da5bc..a7722fd026 100644
--- a/app/vmalert/README.md
+++ b/app/vmalert/README.md
@@ -1161,7 +1161,7 @@ The shortlist of configuration flags is the following:
   -rule.configCheckInterval duration
      Interval for checking for changes in '-rule' files. By default the checking is disabled. Send SIGHUP signal in order to force config check for changes. DEPRECATED - see '-configCheckInterval' instead
   -rule.maxResolveDuration duration
-     Limits the maximum duration for automatic alert expiration, which is by default equal to 3 evaluation intervals of the parent group.
+     Limits the maximum duration for automatic alert expiration, which by default is 4 times evaluationInterval of the parent group.
   -rule.resendDelay duration
      Minimum amount of time to wait before resending an alert to notifier
   -rule.templates array