Typo fix

Author: nikitaeverywhere

docs/index.html

@@ -1531,7 +1531,7 @@ <h2>The Latest Versions:</h2>
                 <ul class="downloadLinks">
                     <li>
                         <a href="files/WebTerminal-v4.9.3.xml">WebTerminal-v4.9.3</a>
-                        - URIS compatibility
+                        - IRIS compatibility
                     </li>
                     <li>
                         <a href="files/WebTerminal-v4.9.2.xml">WebTerminal-v4.9.2</a>