Update README.md

README.md

@@ -22,7 +22,17 @@ The chameleon is a master in this! It is a patient predator adapting to the surr
 The first steps are always the hardest. Do not give way to discouragement! There are probably zillions of things that are going through your mind right now, but keep reading, we will show you how chameleonQuant can help you to develop your own tool kit to live in the financial market jungle.
 </div>
 
-<h1> Prerequisites</h1>
+<h1> Requirements</h1>
+
+<h3>Runtime</h3>
+<ul>
+  <li>JRE 11: Java runtime version 11 is needed for using the library.</li>
+</ul>
+
+<h3>Build time</h3>
+<ul>
+  <li>JDK 11: The Java JDK 11 must be installed.</li>
+</ul>
 
 <h1> Installing</h1>
 Please note that this library is still in early development stages. Major API changes are expected in the near future.