chore(dev-hub) Typo fix

Author: aditya520

apps/developer-hub/content/docs/entropy/chainlist.mdx

@@ -34,8 +34,8 @@ Entropy callbacks the consumer as part of this transaction.
 
 <InfoBox variant="info">
   <div>
-    The fees for testnets kept deliberately low and different from the mainnet
-    fees.
+    The fees for testnets are kept deliberately low and different from the
+    mainnet fees.
   </div>
 </InfoBox>