point 2 of slave-serve-stale-data miss '-' between 'stale' and 'data'

redis.conf

@@ -175,7 +175,7 @@ dir ./
 #    still reply to client requests, possibly with out of date data, or the
 #    data set may just be empty if this is the first synchronization.
 #
-# 2) if slave-serve-stale data is set to 'no' the slave will reply with
+# 2) if slave-serve-stale-data is set to 'no' the slave will reply with
 #    an error "SYNC with master in progress" to all the kind of commands
 #    but to INFO and SLAVEOF.
 #