Minor language change upgrader -> upgrade tool


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38437 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/llvm-upgrade.pod b/docs/CommandGuide/llvm-upgrade.pod
index 4f0e1d8..fd84eb4 100644
--- a/docs/CommandGuide/llvm-upgrade.pod
+++ b/docs/CommandGuide/llvm-upgrade.pod
@@ -2,7 +2,7 @@
 
 =head1 NAME
 
-llvm-upgrade - LLVM assembly upgrader
+llvm-upgrade - LLVM assembly upgrade tool
 
 =head1 SYNOPSIS
 
@@ -10,7 +10,7 @@
 
 =head1 DESCRIPTION
 
-B<llvm-upgrade> is the LLVM assembly upgrader.  It reads a file containing 
+B<llvm-upgrade> is the LLVM assembly upgrade tool.  It reads a file containing 
 human-readable LLVM assembly language, and upgrades that assembly to the current
 version of LLVM. If the input is in the form currently accepted by LLVM, then
 no upgrades are performed.