Merge branch 'as/doc-markup-fix'

Fix for a mis-mark-up in doc made in Git 2.39 days.

* as/doc-markup-fix:
  git-merge-tree.txt: replace spurious HTML entity

Author: gitster

Documentation/git-merge-tree.txt

@@ -108,7 +108,7 @@ This is an integer status followed by a NUL character.  The integer status is:
 
      0: merge had conflicts
      1: merge was clean
-     <0: something prevented the merge from running (e.g. access to repository
+     <0: something prevented the merge from running (e.g. access to repository
 	 objects denied by filesystem)
 
 [[OIDTLT]]