fixed typos

- signed-off-by: trimstray <trimstray@gmail.com>

CONTRIBUTING.md

@@ -6,10 +6,10 @@ If you would like to support this project, you have an interesting idea how to i
 
 Moving forward all commits to this project must include a "signed-off-by" line indicating the name and email address of the contributor signing off on the change. To enable signatures add the following lines to `.git/hooks/prepare-commit-msg` :
 
-``````
+```
 SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/- signed-off-by: \1/p')
 grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1"
-``````
+```
 
 ## Pull requests
 

LICENSE.md

@@ -673,4 +673,3 @@ library, you may consider it more useful to permit linking proprietary
 applications with the library. If this is what you want to do, use the
 GNU Lesser General Public License instead of this License. But first,
 please read <http://www.gnu.org/philosophy/why-not-lgpl.html>.
-