Corrected README.md

Author: varnan6

README.md

@@ -421,12 +421,12 @@ In order to achieve greater coverage and encourage more people to contribute to
             </td>
             <td> <!-- C++ -->
                 <a href="./src/java/SentinelLinearSearch.java.md">
-                    <img align="center" height="25" src="./logos/java.svg" />
+                    <img align="center" height="25" src="./logos/github.svg" />
                 </a>
             </td>
             <td> <!-- Java -->
                 <a href="./CONTRIBUTING.md">
-                    <img align="center" height="25" src="./logos/github.svg" />
+                    <img align="center" height="25" src="./logos/java.svg" />
                 </a>
             </td>
             <td> <!-- Python -->