Tweak list format.

CONTRIBUTING.md

@@ -1,22 +1,14 @@
 # Contribution Guidelines
-
 Please ensure your pull request adheres to the following guidelines:
 
-1. Please search previous issues before making a suggestion, as it may be a duplicate.
-
-2. Libraries that are Composer installable, PSR compliant, and tested are preferred.
-
-3. Please make an individual pull request for each suggestion.
-
-4. Please use the following format for libraries: \[LIBRARY\]\(LINK\) - DESCRIPTION.
-
-5. Please prefix duplicate library names with their vendor or namespace followed by a space: Orno\DI would be Orno DI.
-
-6. Please keep descriptions short and simple. 
-
-7. Please end all descriptions with a full stop/period.
-
-8. Please check your spelling and grammar.
+* Please search previous issues before making a suggestion, as it may be a duplicate.
+* Libraries that are Composer installable, PSR compliant, and tested are preferred.
+* Please make an individual pull request for each suggestion.
+* Please use the following format for libraries: \[LIBRARY\]\(LINK\) - DESCRIPTION.
+* Please prefix duplicate library names with their vendor or namespace followed by a space: Orno\DI would be Orno DI.
+* Please keep descriptions short and simple. 
+* Please end all descriptions with a full stop/period.
+* Please check your spelling and grammar.
 
 I try to open a suggestions issue each month, so feel free to add anything interesting to it. I’m also open to creating new categories or improving the existing ones.