Merge branch 'hy/doc-show-is-like-log-not-diff-tree'

Doc update.

* hy/doc-show-is-like-log-not-diff-tree:
  show doc: redirect user to git log manual instead of git diff-tree

Author: gitster

Documentation/git-show.txt

@@ -26,7 +26,7 @@ with --name-only).
 
 For plain blobs, it shows the plain contents.
 
-The command takes options applicable to the 'git diff-tree' command to
+Some options that 'git log' command understands can be used to
 control how the changes the commit introduces are shown.
 
 This manual page describes only the most frequently used options.