Merge pull request #1756 from Ishmeet-Singh-Saggu/patch-3

Update index.md

Author: tfosmark

docs/index.md

@@ -311,7 +311,7 @@ ms.topic: hub-page
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                                                     <h3>Debug</h3>
-                                                    <p>Investigate and fix problems with your code.</p>
+                                                    <p>Investigate and fix bugs in your code.</p>
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                                             </div>
                                         </div>
@@ -405,7 +405,7 @@ ms.topic: hub-page
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                                                 </div>
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-                                                    <h3>Improve Performance</h3>
+                                                    <h3>Measure Performance</h3>
                                                     <p>Identify bottlenecks and optimize code performance by using diagnostic tools.
                                                     </p>
                                                 </div>