Change wording in show instances part of HA docs (#949)

* change wording in show instances part of HA docs

* fix wording2

---------

Co-authored-by: Kruno Golubic <[email protected]>

Author: antoniofilipovic

pages/clustering/high-availability.mdx

@@ -270,15 +270,19 @@ This operation will result in writing to the Raft log.
 
 ### Show instances
 
-You can check the state of the whole cluster using the `SHOW INSTANCES` query. The query will show which instances are visible in the cluster,
-which network ports they are using for managing cluster state, whether they are considered alive from the coordinator's
-perspective, their role (are they MAIN, REPLICA, LEADER, FOLLOWER or unknown if not alive) and the response time
-from instances to the leader's ping. This query can be run both on the leader and followers. Since only the leader knows the exact state of health state and response time, 
-followers will do the following actions in exact order:
-  1. Try contacting the leader to get the state of the cluster, since the leader has all the information. 
-  If the leader responds, the follower will return the result as if SHOW INSTANCES was run by the leader.
-  2. When the leader doesn't respond, or currently there is no leader, the follower will return all the data instances and coordinators 
-  in the cluster but with the health state and last response time set to 0, respectively.
+You can check the state of the whole cluster using the `SHOW INSTANCES` query. The query will display all the Memgraph servers visible in the cluster. With
+each server you can see the following information:
+ 1. Network ports they are using for managing cluster state
+ 2. Health state of server
+ 3. Role - MAIN, REPLICA, LEADER, FOLLOWER or unknown if not alive
+ 4. The time passed since the last response time to the leader's health ping 
+
+This query can be run on either the leader or followers. Since only the leader knows the exact status of the health state and last response time, 
+followers will execute actions in this exact order:
+  1. Try contacting the leader to get the health state of the cluster, since the leader has all the information. 
+  If the leader responds, the follower will return the result as if the `SHOW INSTANCES` query was run on the leader.
+  2. When the leader doesn't respond or currently there is no leader, the follower will return all the Memgraph servers
+   with the health state set to "down".
 
 ```plaintext
 SHOW INSTANCES;