Update default_about.liquid

Author: anujkarpatne

_layouts/default_about.liquid

@@ -45,7 +45,7 @@
       padding-bottom: 9vw;
       padding-left: 1vw;
     ">
-    Bridging Scientific Knowledge with Machine Learning for Accelerate Scientific Discovery
+    Bridging Scientific Knowledge with Machine Learning for Accelerating Scientific Discovery
   </div>
 
 </div>