add link to #6 issue

Author: Arg0s1080

README.md

@@ -222,7 +222,7 @@ print(get_country(fields.country))
 MARISA OSPELT BECK
 Liechtenstein
 ```
-###### Note: See other uses in 'examples/mrz_checker_samples/' folder and #6 issue
+###### Note: See other uses in 'examples/mrz_checker_samples/' folder and [this issue](https://github.com/Arg0s1080/mrz/issues/6)
 
 
 ## Installation:

README.rst

@@ -308,8 +308,8 @@ Output
     MARISA OSPELT BECK
     Liechtenstein
 
-Note: See other uses in 'examples/mrz\_checker\_samples/' folder and #6 issue
-                                                                             
+Note: See other uses in 'examples/mrz\_checker\_samples/' folder and `this issue <https://github.com/Arg0s1080/mrz/issues/6>`__
+                                                                                                                               
 
 Installation:
 -------------