Update README and index.html to clarify software description

Author: nikoscham

README.md

@@ -4,7 +4,7 @@
 
 ![website status](https://img.shields.io/website?url=https%3A%2F%2Ffeascript.com%2F)
 
-FEAScript is an open-source JavaScript library for solving differential equations using the finite element method. This is the source code of the FEAScript <a href="https://feascript.com/" target="_blank">website</a>.
+FEAScript is an open-source finite element simulation software developed in JavaScript. This is the source code of the FEAScript <a href="https://feascript.com/" target="_blank">website</a>.
 
 ## License
 

index.html

@@ -50,11 +50,10 @@ <h1>A JavaScript Library for Solving Differential Equations Using the Finite Ele
     </ul>
 
     <p>
-      FEAScript is an <b>open-source JavaScript library</b> for solving differential equations using the
-      finite element method. It enables the creation and running of
-      <b>client-side, browser-based simulations</b> for physics and engineering problems without the need for
-      additional installations. FEAScript can be an excellent tool for
-      <b>hands-on learning of computational mechanics</b> in academic environments. It can be used as a
+      FEAScript is an <b>open-source finite element simulation software developed in JavaScript</b>. It
+      enables the creation and running of <b>client-side, browser-based simulations</b> for physics and
+      engineering problems without the need for additional installations. FEAScript can be an excellent tool
+      for <b>hands-on learning of computational mechanics</b> in academic environments. It can be used as a
       turnkey solution by educators without requiring any software installations.
     </p>