Fix typo in pgstat.c.
Introduced by
Author: Vignesh C
Discussion:
@@ -1504,7 +1504,7 @@ pgstat_reset_replslot_counter(const char *name)
ReplicationSlot *slot;
/*
- * Check if the slot exits with the given name. It is possible that by
+ * Check if the slot exists with the given name. It is possible that by
* the time this message is executed the slot is dropped but at least
* this check will ensure that the given name is for a valid slot.
*/
