Clean up syntax of cmd-create-branch.txt

Remove space from example.
Add period to intro sentence.

Change-Id: I6835c8fd1767d5a1c14cd3525590b50be8d251ab
diff --git a/Documentation/cmd-create-branch.txt b/Documentation/cmd-create-branch.txt
index 336af56d..2060917 100644
--- a/Documentation/cmd-create-branch.txt
+++ b/Documentation/cmd-create-branch.txt
@@ -1,7 +1,7 @@
 = gerrit create-branch
 
 == NAME
-gerrit create-branch - Create a new branch
+gerrit create-branch - Create a new branch.
 
 == SYNOPSIS
 [verse]
@@ -40,7 +40,7 @@
 the project 'myproject'.
 
 ----
-    $ ssh -p 29418 review.example.com gerrit create-branch myproject newbranch master
+$ ssh -p 29418 review.example.com gerrit create-branch myproject newbranch master
 ----
 
 GERRIT