feat: Switching eth account - adding desc & screenshot

pages/guides/fetch-network/reconciliation-service.mdx

@@ -84,7 +84,7 @@ in Metamask.
         red color: <span style={{color: '#ff0000'}}>`"This address appears to not be affected by the staking migration
         issue"`</span>, see the screenshot below.
 
-        Then it will be necessary to select correct account in the Metamask wallet extension in order to be able to
+        Then it will be necessary to select **correct** account in the Metamask wallet extension in order to be able to
         continue in the reconciliation workflow.
     </Callout>
 
@@ -127,6 +127,20 @@ The resulting signature serves dual purpose:
 - Primarily it is the proof of ownership of funds associated with original Ethereum address;
 - Secondarily it is proof of association between the Fetch destination recovery address and Ethereum source address.
 
+
+<Callout type="info" emoji="ℹ️">
+    **If** user needs to **switch** to a different Ethereum Staking address, then after selecting a new account in the Metamask
+    wallet extension, it might be necessary to **connect** the newly selected account in Metamask in order to make the
+    Reconciliation dApp UI aware of the account change - see the screenshot below.\
+    This will be necessary if the newly selected account was not connected to reconciliation url before.
+
+    User can switch the Ethereum staking address (or Fetch recovery address) at any point during the workflow before
+    submitting the transaction.
+
+    ![](src/images/reconciliation/reconciliation_3f.png)
+</Callout>
+
+
 Click **Next**.
 
 ### Step 3