diff --git a/CHANGES b/CHANGES
index 8f2aad08..de1386f2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,8 @@
-13 Feb 2008 - 2.5.0-rc4
+14 Feb 2008 - 2.5.0-rc4
 -----------------------
 
+ * Cleaned up build process for unit tests.
+
  * Updated code to be more portable so it builds with MS VC++.
 
 
diff --git a/doc/modsecurity2-apache-reference.xml b/doc/modsecurity2-apache-reference.xml
index fda67ea5..f5da1d40 100644
--- a/doc/modsecurity2-apache-reference.xml
+++ b/doc/modsecurity2-apache-reference.xml
@@ -3,7 +3,7 @@
   <title>ModSecurity Reference Manual</title>
 
   <articleinfo>
-    <releaseinfo>Version 2.5.0-rc4 (February 13, 2008)</releaseinfo>
+    <releaseinfo>Version 2.5.0-rc4 (February 14, 2008)</releaseinfo>
 
     <copyright>
       <year>2004-2008</year>
@@ -1906,8 +1906,8 @@ function main()
     -- of the variable where the problem is located.
     -- return "Variable ARGS:p looks suspicious!"
 
-    -- Otherwise, simply return null.
-    return null;
+    -- Otherwise, simply return nil.
+    return nil;
 end</programlisting>
 
       <para>In this first example we were only retrieving one variable at the
@@ -1933,7 +1933,7 @@ end</programlisting>
     end
 
     -- Nothing wrong found.
-    return null;
+    return nil;
 end</programlisting>
 
       <note>