small spelling fix in docs and comment

forward.c

@@ -407,7 +407,7 @@ int forward_request(struct sip_msg* msg, str* dst, unsigned short port,
 		}
 	}
 	/* try to send the message until success or all the ips are exhausted
-	 *  (if dns lookup is peformed && the dns cache used ) */
+	 *  (if dns lookup is performed && the dns cache used ) */
 #ifdef USE_DNS_FAILOVER
 	do{
 #endif

modules_s/auth/doc/params.xml

@@ -24,7 +24,7 @@
 	    These three module parameters control which optional integrity
          checks will be performed on the SIP message carrying digest response
         during digest authentication. <varname>auth_check_register</varname>
-        controls integrity checks to be peformed on REGISTER messages,
+        controls integrity checks to be performed on REGISTER messages,
         <varname>auth_checks_no_dlg</varname> controls which optional
         integrity checks will be performed on SIP requests that have no To
         header field or no To tag (in other words the requests either