Corrected a disclaimer for delegator in increasing-staking.adoc (#1443)

Author: natan-granit

components/Starknet/modules/staking/pages/increasing-staking.adoc

@@ -25,5 +25,5 @@ The staking and pooling contracts allow validators and delegators to increase th
 
 [NOTE]
 ====
-Ensure that the validator/delegator is not in an unstake/undelegate process before attempting to increase the stake. If they are currently unstaking/undelegating, this function will fail.
+Ensure that the validator is not in an unstake process before attempting to increase the stake. If they are currently unstaking, this function will fail.
 ====