Fix GitHub Stars label

Author: simonkurtz-MSFT

docs/index.html

@@ -181,11 +181,11 @@
              noopener by itself severs window.opener and costs nothing. -->
         <span class="topnav-stats">
           <a href="https://github.com/Azure-Samples/Apim-Samples/stargazers" target="_blank" rel="noopener" aria-label="GitHub stargazers">
-            <img src="https://img.shields.io/github/stars/Azure-Samples/Apim-Samples?style=flat-square&amp;logo=github&amp;logoColor=white&amp;label=Stars&amp;color=0078D4"
+            <img src="https://img.shields.io/github/stars/Azure-Samples/Apim-Samples?style=flat-square&amp;logo=github&amp;logoColor=white&amp;label=GitHub%20Stars&amp;color=0078D4"
                  alt="GitHub star count">
           </a>
           <a href="https://github.com/Azure-Samples/Apim-Samples/forks" target="_blank" rel="noopener" aria-label="GitHub forks">
-            <img src="https://img.shields.io/github/forks/Azure-Samples/Apim-Samples?style=flat-square&amp;logo=github&amp;logoColor=white&amp;label=Forks&amp;color=0078D4"
+            <img src="https://img.shields.io/github/forks/Azure-Samples/Apim-Samples?style=flat-square&amp;logo=github&amp;logoColor=white&amp;label=GitHub%20Forks&amp;color=0078D4"
                  alt="GitHub fork count">
           </a>
         </span>