correct grammar in the callout (#937)

Author: nidhi-singh02

pages/price-feeds/core/use-real-time-data.mdx

@@ -18,9 +18,9 @@ an on-chain smart contact as part of the transaction. This integration provides
 **Push integration** is for applications that don't want to pull prices in every transaction and prefer a purely on-chain integration.
 
 <Callout type="info">
-  All feeds are available through both integration methods. However, for the to
-  use push integration, the application needs to submit the prices to the
-  on-chain smart contract as part of the transaction. Check out the [Push
+  All feeds are available through both integration methods. However, to use push
+  integration, the application needs to submit the prices to the on-chain smart
+  contract as part of the transaction. Check out the [Push
   Integration](use-real-time-data/push-integration) guide to get started.
 </Callout>