diff --git a/src/java/org/apache/cassandra/tools/nodetool/GetReplicas.java b/src/java/org/apache/cassandra/tools/nodetool/GetReplicas.java
index 0f9e09810d5..88e2d0fd1d8 100644
--- a/src/java/org/apache/cassandra/tools/nodetool/GetReplicas.java
+++ b/src/java/org/apache/cassandra/tools/nodetool/GetReplicas.java
@@ -44,7 +44,7 @@ public class GetReplicas extends AbstractCommand
     @Parameters(index = "1", arity = "0..1", description = "The table for which we need to find the replica")
     private String table;
 
-    @Parameters(index = "2", arity = "0..1", description = "The partition key for which we need to find the replica")
+    @Parameters(index = "2", arity = "0..1", description = "The partition key for which we need to find the replica (e.g., pk1:pk2:pk3 for compound keys)")
     private String key;
 
     @Mixin
diff --git a/test/resources/nodetool/help/getendpoints b/test/resources/nodetool/help/getendpoints
index 6daeb4c0c46..5c223feb216 100644
--- a/test/resources/nodetool/help/getendpoints
+++ b/test/resources/nodetool/help/getendpoints
@@ -35,4 +35,4 @@ OPTIONS
 
         <keyspace> <table> <key>
             The keyspace, the table, and the partition key for which we need to
-            find the replica
+            find the replica (e.g., pk1:pk2:pk3 for compound keys)
diff --git a/test/resources/nodetool/help/getreplicas b/test/resources/nodetool/help/getreplicas
index 259aebc748a..bbe5c109e1b 100644
--- a/test/resources/nodetool/help/getreplicas
+++ b/test/resources/nodetool/help/getreplicas
@@ -34,4 +34,4 @@ OPTIONS
 
         <keyspace> <table> <key>
             The keyspace, the table, and the partition key for which we need to
-            find the replica
+            find the replica (e.g., pk1:pk2:pk3 for compound keys)