git-merge-base/git-show-branch: Cleanup documentation and usage

diff --git a/Documentation/git-merge-base.txt b/Documentation/git-merge-base.txt
index 767486c770afd385d118ee5f9a6f9cd3ad0a2d73..00e400353c5bfe1d6f4a75b5bf2dee9d7eca21bc 100644 (file)
--- a/Documentation/git-merge-base.txt
+++ b/Documentation/git-merge-base.txt
@@ -8,12 +8,12 @@ git-merge-base - Find as good common ancestors as possible for a merge
 
 SYNOPSIS
 --------
-'git merge-base' [--all] <commit> <commit>...
+'git merge-base' [-a|--all] <commit> <commit>...
 
 DESCRIPTION
 -----------
 
-'git-merge-base' finds best common ancestor(s) between two commits to use
+'git merge-base' finds best common ancestor(s) between two commits to use
 in a three-way merge.  One common ancestor is 'better' than another common
 ancestor if the latter is an ancestor of the former.  A common ancestor
 that does not have any better common ancestor is a 'best common
@@ -29,6 +29,7 @@ the given two commits.
 
 OPTIONS
 -------
+-a::
 --all::
        Output all merge bases for the commits, instead of just one.