Merge pull request #1417 from anbj/replace-dot-with-colon

Replace dot with colon before code example to be consistent with the other paragraphs

Author: ben

book/05-distributed-git/sections/contributing.asc

@@ -465,7 +465,7 @@ Fast forward
 1 files changed, 9 insertions(+), 1 deletions(-)
 ----
 
-Finally, Jessica might want to make a couple minor changes to all that merged content, so she is free to make those changes, commit them to her local `featureA` branch, and push the end result back to the server.
+Finally, Jessica might want to make a couple minor changes to all that merged content, so she is free to make those changes, commit them to her local `featureA` branch, and push the end result back to the server:
 
 [source,console]
 ----