Arbitrum indexing rewards (#341)

* Update arbitrum-faq.mdx

* Update arbitrum-faq.mdx

* Fixing date

website/pages/en/arbitrum-faq.mdx

@@ -31,15 +31,15 @@ Users bridge their GRT and ETH  using one of the following methods:
 
 To take advantage of using The Graph on L2, use this dropdown switcher to toggle between chains.
 
-{/* Insert an image */} ![Dropdown switcher to toggle Arbitrum](/img/arbitrum-screenshot-toggle.png)
+![Dropdown switcher to toggle Arbitrum](/img/arbitrum-screenshot-toggle.png)
 
 ### As a subgraph developer, data consumer, Indexer, Curator, or Delegator, what do I need to do now?
 
 There is no immediate action required.
 
 Core developer teams are working to create migration helpers that will make it significantly easier to move delegation, curation, and subgraphs to Arbitrum. Network participants can expect migration helpers to be available in April 2023.
 
-The Graph community can also expect indexing rewards to be enabled on Arbitrum in February or March 2023.
+As of April 10th, 2023, 5% of all indexing rewards are being minted on Arbitrum. As network participation increases, and as the Council approves it, indexing rewards will gradually shift from Ethereum to Arbitrum, eventually moving entirely to Arbitrum.
 
 ### If I would like to participate in the network on L2, what should I do?