Improve formatting

CONTRIBUTING.md

@@ -1,16 +1,16 @@
 # Contribution Guidelines
-Unfortunately, not every library, tool or framework can be considered. The aim of Awesome PHP is to be a concise list of noteworthy and interesting software written in modern PHP. Therefore, suggested software should: 
+Unfortunately, not every library, tool or framework can be considered for inclusion. The aim of Awesome PHP is to be a concise list of noteworthy and interesting software written in modern PHP. Therefore, suggested software should: 
 
-a) Be widely recommend regardless of personal opinion
-b) Well known or discussed in the PHP community
-c) Be unique in its approach or function
-d) Fill a niche gap in the market
+a) Be widely recommended regardless of personal opinion  
+b) Well known or discussed within the PHP community  
+c) Be unique in its approach or function  
+d) Fill a niche gap in the market  
 
-Self-promotion is frowned upon, so please seriously consider whether your project meets the above criteria before making a suggestion, otherwise it may be closed without being reviewed.
+Self-promotion is frowned upon, so please consider seriously whether your project meets the criteria before open a pull request, otherwise it may be closed without being reviewed.
 
 Also, please ensure your pull request adheres to the following guidelines:
 
-* Software that is PHP 5.5+, Composer-installable, PSR compliant, united tested and well documented are preferred.
+* Software that is PHP 5.5+, Composer-installable, PSR compliant, united tested and well documented is preferred.
 * Please search previous suggestions before making a new one, as yours may be a duplicate.
 * Enter a meaningful pull request description.
 * Please make an individual commit for each suggestion in a pull request.
@@ -18,7 +18,7 @@ Also, please ensure your pull request adheres to the following guidelines:
 * Use the following format for libraries: \[LIBRARY\]\(LINK\) - DESCRIPTION.
 * Prefix duplicate library names with their vendor or namespace followed by a space: Foo\Bar would be Foo Bar.
 * New categories, or improvements to the existing categorisation, are always welcome.
-* Keep descriptions short, simple and unbiased. 
+* Please keep descriptions short, simple and unbiased. No buzzwords or marketing jargon. 
 * End all descriptions with a full stop/period.
 * Check your spelling and grammar.
 * Make sure your text editor is set to remove trailing whitespace.