Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -248,9 +248,9 @@ Remember that your commit message must survive the ravages of time.
 Try to link to something that will be preserved equally well -- 
 another commit for example, rather than linking to master.
 
-** Each commit message should include the reason why this commit was made. 
+**Each commit message should include the reason why this commit was made. 
 Usually by adding a sentence completing the form 'So that we...' will give 
-an amazing amount of context to the history that the code change itself cannot **
+an amazing amount of context to the history that the code change itself cannot.**
 
 ### Keep it small
 
@@ -307,8 +307,8 @@ votes by general committers.
 Votes will be cast as (details taken in part from the Apache
 project):
 
--  +1: Yes, agree, or the action should be performed.
--    0: Abstain, no opinion, or I am happy to let the other group members
+- +1: Yes, agree, or the action should be performed.
+-  0: Abstain, no opinion, or I am happy to let the other group members
 decide this issue.
 - -1: No, I veto this action. All vetos must include an explanation of
 why the veto is appropriate. A veto with no explanation is void.