2.5.2: replace "apps/applications" with "functionality" to apply to broader type of applications

Author: JJdeGroot

comments/2.5.2.md

@@ -37,12 +37,12 @@ Completing the function on the down-event is essential.
 <div class="example wcag2mobile">
 <strong>Example:</strong>
 <br/>
-Examples of essential functionality for mobile applications include:
+Examples of essential functionality in mobile applications include:
 <ul>
-  <li>Drawing and sketching applications where continuous pressure-sensitive input begins on the down-event.</li>
-  <li>Keyboard emulation apps where keys activate on down-event to match expected physical keyboard behavior.</li>
-  <li>Musical instrument applications where the down-event timing is essential to produce the intended sound at the correct moment.</li>
-  <li>Gaming applications requiring precise down-event timing such as rhythm games, sports simulations and action games.
+  <li>Drawing and sketching functionality where continuous pressure-sensitive input begins on the down-event.</li>
+  <li>Keyboard emulation functionality where keys activate on down-event to match expected physical keyboard behavior.</li>
+  <li>Musical instrument functionality where the down-event timing is essential to produce the intended sound at the correct moment.</li>
+  <li>Gaming functionality requiring precise down-event timing such as rhythm games, sports simulations and action games.
   </li>
 </ul>
 </div>