diff --git a/docs/zr_manual.htm b/docs/zr_manual.htm
index 66a130e..873f1ab 100644
--- a/docs/zr_manual.htm
+++ b/docs/zr_manual.htm
@@ -281,11 +281,11 @@ for both zombies and humans in different classes.</p>
 <h3><a name="2.1" />2.1 Requirements</h3>
 <p>Zombie: Reloaded requires that the following stuff is installed on the server:</p>
 <ol>
-	<li><p>Metamod:Source - A simplified API for server plugins. It makes it easier for developers
+	<li><p>Metamod:Source (version 1.8 or newer) - A simplified API for server plugins. It makes it easier for developers
 	to make plugins like SourceMod:</p>
 	<ul><li><a href="http://wiki.alliedmods.net/Installing_Metamod:Source">Installing Metamod:Source</a></li></ul></li>
 	
-	<li><p>SourceMod - A scripting platform:</p>
+	<li><p>SourceMod (version 1.3 or newer) - A scripting platform:</p>
 	<ul>
 		<li><a href="http://wiki.alliedmods.net/Installing_SourceMod">Installing SourceMod</a></li>
 		<li><a href="http://wiki.alliedmods.net/index.php/Category:SourceMod_Documentation">SourceMod Documentation</a></li>