- support more than one input file in llvm-ranlib

Index: docs/CommandGuide/llvm-ranlib.rst
--- docs/CommandGuide/llvm-ranlib.rst.orig
+++ docs/CommandGuide/llvm-ranlib.rst
@@ -6,13 +6,13 @@ llvm-ranlib - generates an archive index
 SYNOPSIS
 --------
 
-:program:`llvm-ranlib` [*options*]
+:program:`llvm-ranlib` [*options*] *archive ...*
 
 DESCRIPTION
 -----------
 
 :program:`llvm-ranlib` is an alias for the :doc:`llvm-ar <llvm-ar>` tool that
-generates an index for an archive. It can be used as a replacement for GNU's
+generates an index for one or more archives. It can be used as a replacement for GNU's
 :program:`ranlib` tool.
 
 Running :program:`llvm-ranlib` is equivalent to running ``llvm-ar s``.