diff --git a/commands/ping.md b/commands/ping.md
index da8de2db..ac64143b 100644
--- a/commands/ping.md
+++ b/commands/ping.md
@@ -5,7 +5,7 @@ This command is useful for:
 1. Verifying the server's ability to serve data - an error is returned when this isn't the case (e.g., during load from persistence or accessing a stale replica).
 1. Measuring latency.
 
-If the client is subscribed to a channel or a pattern, it will instead return a
+If the client is in RESP2 and is subscribed to a channel or a pattern, it will instead return a
 multi-bulk with a "pong" in the first position and an empty bulk in the second
 position, unless an argument is provided in which case it returns a copy
 of the argument.