Merge pull request #879 from ehom/master

(maint) fixed typos, formatting issues

Author: david22swan

README.md

@@ -495,6 +495,7 @@ Unacceptable input example:
 %.example.com
 
 bob@example.com
+```
 
 #### `Stdlib::Port`
 
@@ -514,6 +515,7 @@ Acceptable input examples:
 
 Unacceptable input example:
 
+```shell
 -1
 
 65536
@@ -523,9 +525,9 @@ Unacceptable input example:
 'https'
 ````
 
-#### `Stdlib::Port::Privileged
+#### `Stdlib::Port::Privileged`
 
-Matches a valid TCP/UDP Pivlaged port i.e. < 1024
+Matches a valid TCP/UDP Privileged port i.e. < 1024
 
 Acceptable input examples:
 
@@ -551,7 +553,7 @@ Unacceptable input example:
 
 #### `Stdlib::Port::Unprivileged`
 
-Matches a valid TCP/UDP Pivlaged port i.e. >= 1024
+Matches a valid TCP/UDP Privileged port i.e. >= 1024
 
 Acceptable input examples: