fixup docs

documentation/modules/auxiliary/scanner/dns/dns_dyn_update.md

@@ -1,21 +1,26 @@
 # Dynamic DNS Update Injection
+
 `dyn_dns_update` module allows adding and/or deleting an '**A**' record to
 any remote DNS server that allows unrestricted dynamic updates.
 
 ## Vulnerable Application
+
 Any DNS server that allows dynamic update for none trusted source IPs.
 
 ## Verification Steps
-1. Start msfconsole
-2. Do: ```auxiliary/scanner/dns/dyn_dns_update```
-3. Do: ```set DOMAIN [IP]```
-3. Do: ```set NS [IP]```
-3. Do: ```set INJECTDOMAIN [IP]```
-3. Do: ```set INJECTIP [IP]```
-3. Do: ```set ACTION ADD```
-6. Do: ```run```
+
+ 1. Start msfconsole
+ 2. Do: ```auxiliary/scanner/dns/dyn_dns_update```
+ 3. Do: ```set DOMAIN [IP]```
+ 4. Do: ```set NS [IP]```
+ 5. Do: ```set INJECTDOMAIN [IP]```
+ 6. Do: ```set INJECTIP [IP]```
+ 7. Do: ```set ACTION ADD```
+ 8. Do: ```run```
 
 ## Actions
-There are tow kind of actions the module can ran:
-1. **ADD** - Add a new record. [Default]
-2. **DEL** - Delete an existing record.
+
+There are two kind of actions the module can run:
+
+ 1. **ADD** - Add a new record. [Default]
+ 2. **DEL** - Delete an existing record.