Update README.md

Signed-off-by: Fabiana 🚀  Campanari <113218619+FabianaCampanari@users.noreply.github.com>

Author: FabianaCampanari

README.md

@@ -588,7 +588,7 @@ After running Solver:
 
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-## VIII - [Extras Excercise]():
+# VIII - [Extras Excercise]():
 
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