docs small update

docs/src/openapi-v1.yaml

@@ -414,7 +414,8 @@ paths:
       - staking
       summary: Get staking information for a _Stash_ account.
       description: Returns information about a _Stash_ account's staking activity.
-        Replaces `/staking/{address}` from versions < v1.0.0.
+        Replaces `/staking/{address}` from versions < v1.0.0. The _Stash_ account
+        can be either a validator or nominator account.
       operationId: getStakingSummaryByAccountId
       parameters:
       - name: accountId
@@ -4338,8 +4339,8 @@ components:
         claimedRewards:
           type: array
           description: Array of objects, each containing an `era` and its corresponding `status`,
-            which represents the rewards status of the stakers backing a validator. Only updated
-            for _validators._ This array is populated with values from `stakingLedger.legacyClaimedRewards`
+            which represents the rewards status of the queried Stash account. The queried account can either be
+            a validator or nominator account. This array is populated with values from `stakingLedger.legacyClaimedRewards`
             or `stakingLedger.claimedRewards`, as well as the `query.staking.claimedRewards` call, depending
             on whether the queried block is before or after the migration. For more details on the implementation
             and the migration, refer to the related PR (https://github.com/paritytech/substrate-api-sidecar/pull/1445)