From 0ac2197c7487e8ac4d4538e1c326e4b9343671e8 Mon Sep 17 00:00:00 2001
From: Davis King <davis@dlib.net>
Date: Sun, 28 Aug 2016 12:07:39 -0400
Subject: [PATCH] updated docs

---
 docs/docs/metaprogramming.xml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/docs/docs/metaprogramming.xml b/docs/docs/metaprogramming.xml
index b1ef47a45..dc87f2c14 100644
--- a/docs/docs/metaprogramming.xml
+++ b/docs/docs/metaprogramming.xml
@@ -630,8 +630,11 @@
          <spec_file>dlib/assert.h</spec_file>
          <description>
       <p>
-            This is a macro function for debugging.  Its form is <tt>DLIB_ASSERT(condition that should be 
-            true,error message)</tt>.  If the condition is false DLIB_ASSERT throws an exception of type 
+            This is a macro function for debugging.  Its form is 
+<code_box>DLIB_ASSERT(condition that should be true, error message)</code_box> 
+or you can omit the error message and call it like:
+<code_box>DLIB_ASSERT(condition that should be true)</code_box>
+            If the condition is false DLIB_ASSERT throws an exception of type 
             dlib::fatal_error with fatal_error::type == EBROKEN_ASSERT.  An error message detailing
             the nature of the problem is stored in the member variable info which is of type std::string.  
             Look in the following file for more details.  The exception classes are defined