Update FAQ.md

Author: xs2suruchi

cd3_automation_toolkit/documentation/user_guide/FAQ.md

@@ -65,5 +65,5 @@ Please refer the screenshots below -
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 <div align='center'>
 
-| <a href="/cd3_automation_toolkit/documentation/user_guide/KnownBehaviour.md">:arrow_backward: Prev</a> | <a href="/README.md#table-of-contents-bookmark">Next :arrow_forward:</a> |
+| <a href="/cd3_automation_toolkit/documentation/user_guide/KnownBehaviour.md">:arrow_backward: Prev</a> | <a href="/Upgrade_Toolkit.md#table-of-contents-bookmark">Next :arrow_forward:</a> |
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