Merge pull request #554 from tomcoombs87/master

couple of tiny changes in documentation.

server-ce/CONTRIBUTING.md

@@ -56,7 +56,7 @@ contact us at team@sharelatex.com first.
 Contributor License Agreement
 -----------------------------
 
-Before we can accept and contributions of code, we need you to agree to our 
+Before we can accept any contributions of code, we need you to agree to our 
 [Contributor License Agreement](https://sharelatex.wufoo.com/forms/sharelatex-contributor-license-agreement/).
 This is to ensure that you own the copyright of your contribution, and that you
 agree to give us a license to use it in both the open source version, and the version

server-ce/README.md

@@ -20,7 +20,7 @@ We have detailed installation instructions in our wiki:
 Upgrading
 ---------
 
-If you are upgrading from a previous version of ShareLaTeX, please see the [Release Notes section on the Wiki] (https://github.com/sharelatex/sharelatex/wiki/Home) for all of the versions between your current version and the version you are upgrading to.
+If you are upgrading from a previous version of ShareLaTeX, please see the [Release Notes section on the Wiki](https://github.com/sharelatex/sharelatex/wiki/Home) for all of the versions between your current version and the version you are upgrading to.
 
 
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