Minor update to the documentation (fix an URL and remove :doc:, not sure it is supported by PyPi).

Author: Sébastien Andrivet

CONTRIBUTING.rst

@@ -8,7 +8,7 @@ little bit helps, and credit will always be given.
 Bug reports
 ===========
 
-When `reporting a bug <https://github.com/andrivet/python-asn1/issues>`_ please include:
+When `reporting a bug <https://github.com/andrivet/python-asn1/pulls>`_ please include:
 
     * Your operating system name and version.
     * Any details about your local setup that might be helpful in troubleshooting.
@@ -24,7 +24,7 @@ articles, and such.
 Feature requests and feedback
 =============================
 
-The best way to send feedback is to file an issue at https://github.com/andrivet/python-asn1/issues.
+The best way to send feedback is to file an issue at https://github.com/andrivet/python-asn1/pulls.
 
 If you are proposing a feature:
 

README.rst

@@ -137,7 +137,7 @@ License
 =======
 
 Python-ASN1 is free software that is made available under the MIT license.
-Consult the file :doc:`LICENSE <license>` that is distributed together with this file for
+Consult the file LICENSE that is distributed together with this file for
 the exact licensing terms.
 
 Copyright