Worded compatibility with Arduino 1.5.4 stronger

Author: jantje

Eclipse update site/WebContent/index.html

@@ -59,7 +59,7 @@ <h2>To use it with Arduino boards you only need:</h2>
 		<h2>Before continuing Note that :</h2>
 		<ul>
 		<li>The latest version for Arduino IDE 1.X is 1.2.5.5. </li>
-		<li>The latest version for Arduino IDE 1.5.2 beta is 2.1.0.4 beta. (1.5.2 only!!)</li>
+		<li>The latest version for Arduino IDE 1.5.2 beta is 2.1.0.4 beta. (use Arduino IDE 1.5.2 only!! 1.5.3 and 1.5.4 won't work)</li>
 		<li>The plugin now works with the 32 and 64 bit versions of Juno and indigo but you are advised to use the 32 bit version.</li>
 		<li>The current version works with cpp files only (no pde  or ino out of
 			the box). Therefore the plugin is not compatible with the IDE out of the box. Below