diff --git a/README.md b/README.md
index 3f2aa3b..f0e19e8 100644
--- a/README.md
+++ b/README.md
@@ -204,8 +204,9 @@ Usage: check_patroni cluster_has_replica [OPTIONS]
   Perfdata:
   * healthy_replica & unhealthy_replica count
   * the number of sync_replica, they are included in the previous count
-  * the lag of each replica labelled with  "member name"_lag
-  * a boolean to tell if the node is a sync stanbdy labelled with  "member name"_sync
+  * the lag of each replica labelled with "member name"_lag
+  * the timeline of each replica labelled with "member name"_timeline
+  * a boolean to tell if the node is a sync stanbdy labelled with "member name"_sync
 
 Options:
   -w, --warning TEXT    Warning threshold for the number of healthy replica
diff --git a/check_patroni/cli.py b/check_patroni/cli.py
index 0acb764..a218c1a 100644
--- a/check_patroni/cli.py
+++ b/check_patroni/cli.py
@@ -358,8 +358,9 @@ def cluster_has_replica(
     Perfdata:
     * healthy_replica & unhealthy_replica count
     * the number of sync_replica, they are included in the previous count
-    * the lag of each replica labelled with  "member name"_lag
-    * a boolean to tell if the node is a sync stanbdy labelled with  "member name"_sync
+    * the lag of each replica labelled with "member name"_lag
+    * the timeline of each replica labelled with "member name"_timeline
+    * a boolean to tell if the node is a sync stanbdy labelled with "member name"_sync
     """
 
     tmax_lag = size_to_byte(max_lag) if max_lag is not None else None