Refer to -help instead of --help since this is what tools themselves say.
Also, have tools output -help-hidden rather than refer to --help-hidden,
for consistency, and likewise adjust documentation.  This doesn't change
every mention of --help, only those which seemed clearly safe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96578 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStarted.html b/docs/GettingStarted.html
index ce1efd5..8bb1ac4 100644
--- a/docs/GettingStarted.html
+++ b/docs/GettingStarted.html
@@ -1369,7 +1369,7 @@
 
 <p>The <b>tools</b> directory contains the executables built out of the
 libraries above, which form the main part of the user interface.  You can
-always get help for a tool by typing <tt>tool_name --help</tt>.  The
+always get help for a tool by typing <tt>tool_name -help</tt>.  The
 following is a brief introduction to the most important tools.  More detailed
 information is in the <a href="CommandGuide/index.html">Command Guide</a>.</p>
 
@@ -1440,7 +1440,7 @@
   <dt><tt><b>opt</b></tt></dt>
   <dd><tt>opt</tt> reads LLVM bitcode, applies a series of LLVM to LLVM 
   transformations (which are specified on the command line), and then outputs 
-  the resultant bitcode.  The '<tt>opt --help</tt>' command is a good way to 
+  the resultant bitcode.  The '<tt>opt -help</tt>' command is a good way to 
   get a list of the program transformations available in LLVM.<br>
   <dd><tt>opt</tt> can also be used to run a specific analysis on an input 
   LLVM bitcode file and print out the results.  It is primarily useful for