kamailio.cfg: small whitespace indention fix, spelling fix

etc/kamailio.cfg

@@ -157,13 +157,13 @@ import_file "kamailio-local.cfg"
 #!endif
 
 # - flags
-#   FLT_ - per transaction (message) flags
+# FLT_ - per transaction (message) flags
 #!define FLT_ACC 1
 #!define FLT_ACCMISSED 2
 #!define FLT_ACCFAILED 3
 #!define FLT_NATS 5
 
-#	FLB_ - per branch flags
+# FLB_ - per branch flags
 #!define FLB_NATB 6
 #!define FLB_NATSIPPING 7
 
@@ -192,7 +192,7 @@ children=8
 # tcp_children=8
 
 /* UDP receiving mode:
- * - 0: multi-process (defaut)
+ * - 0: multi-process (default)
  * - 1: multi-threaded with async worker group 'udp'
  * - 2: per socket configuration (see core cookbook) */
 # async_workers_group="name=udp;workers=8"