Clarifies what happends when the user opens vim after change
Running echom in a syntax file actually do echo the message when you start vim.
    
        | author | Martin Lundberg <martin.lundberg@gmail.com> | 
    
        | date | Fri, 06 Jul 2012 11:59:48 +0300 | 
    
    
        | parents | 7a638cd48d48 | 
    
        | children | 3f2a0e4680be | 
    
        | branches/tags | (none) | 
    
        | files | chapters/45.markdown | 
Changes
    
--- a/chapters/45.markdown	Sat Jun 16 16:25:45 2012 -0400
+++ b/chapters/45.markdown	Fri Jul 06 11:59:48 2012 +0300
@@ -17,8 +17,8 @@
 
     let b:current_syntax = "potion"
 
-Close Vim, and then open your `factorial.pn` file.  Nothing will happen, but if
-you run `:messages` you'll see that the file was indeed loaded.
+Close Vim, and then open your `factorial.pn` file. When Vim opens the message
+above is echoed, which indeed tells you that the file has been loaded.
 
 **Note:**  Whenever I tell you to open the Potion file I want you to do it in
 a *new Vim window/instance* instead of in a split/tab.  Opening a new Vim window