Small help text fixes, to make it more consistent and accurate.

Temporarily remove -l option from 'expr' command (at Sean's request).



git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@113298 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Commands/CommandObjectImage.cpp b/source/Commands/CommandObjectImage.cpp
index 1b3c226..e17dd57 100644
--- a/source/Commands/CommandObjectImage.cpp
+++ b/source/Commands/CommandObjectImage.cpp
@@ -1554,8 +1554,8 @@
 //----------------------------------------------------------------------
 CommandObjectImage::CommandObjectImage(CommandInterpreter &interpreter) :
     CommandObjectMultiword ("image",
-                            "Access information for one or more executable images.",
-                            "image [dump|list] ...")
+                            "A set of commands for accessing information for one or more executable images.",
+                            "image <sub-command> ...")
 {
     LoadSubCommand (interpreter, "dump",    CommandObjectSP (new CommandObjectImageDump (interpreter)));
     LoadSubCommand (interpreter, "list",    CommandObjectSP (new CommandObjectImageList ()));