typos in README file fixed

Author: petk

README.md

@@ -2,7 +2,7 @@
 
 ## About
 
-This repository holds graphics and instructions for the cover photo of the International Facebook group.
+This repository holds graphics and instructions for the cover photo of the International PHP Facebook group.
 
 ## Contributing cover photo
 
@@ -13,7 +13,7 @@ You can propose your vision of the cover photo of course. Before doing that plea
 * Graphics should include a link to the group's rules and describe the main context of this group i.e. **PHP**
 * Keep in mind that Facebook buttons cover parts of the photo
 * Different devices show the photo differently depending on the screen resolution
-* Understand that each cover photo should be present and visible for longer period of time. Changing cover photo in the goup every week is maybe too frequently.
+* Understand that each cover photo should be present and visible for longer period of time. Changing cover photo in the group every week is maybe too frequently.
 * Check and agree to send your contribution that complies with the legal information described at the bottom of this file
 * Don't sign graphics with your logo or name (your contribition will be noted elsewhere for this purpose)
 * For inspiration please check [previous cover photos](https://github.com/wwphp-fb/group-cover/releases)
@@ -27,4 +27,4 @@ All exported images are versioned with [Semantic Versioning](http://semver.org)
 
 All logos and trademarks are the property of their respective owners. If you represent the entity that has the rights over a logo and you want, for whatever reason, that logo removed from this project, open an issue requesting its removal and we will remove it as soon as possible.
 
-Overall this work is licensed under a [Creative Commons Attribution 4.0 International License](LICENSE).
+Overall this work is licensed under a [Creative Commons Attribution 4.0 International License](LICENSE).