Update src/server.h

Signed-off-by: ranshid <[email protected]>

src/server.h

@@ -1015,7 +1015,7 @@ typedef struct blockingState {
         listNode *postponed_list_node;           /* list node in server.postponed_clients */
         listNode *generic_blocked_list_node;     /* generic placeholder for blocked clients utility lists.
                                                     Since a client cannot be blocked multiple times, we can assume
-                                                    it will be held in only one extra utility list, so it is O.K maintain a
+                                                    it will be held in only one extra utility list, so it is ok to maintain a
                                                     union of these listNode references. */
     };