Change the heading of the page to reflect the tool name

llvm-svn: 8715
diff --git a/llvm/docs/CommandGuide/extract.html b/llvm/docs/CommandGuide/extract.html
index 275b9b1..36f01e4 100644
--- a/llvm/docs/CommandGuide/extract.html
+++ b/llvm/docs/CommandGuide/extract.html
@@ -1,12 +1,12 @@
 <html>
 <title>
-extract
+LLVM: extract tool
 </title>
 
 <body>
 
 <center>
-<h1>Low Level Virtual Machine</h1>
+<h1>LLVM: extract tool</h1>
 </center>
 <HR>