update testnet date

Signed-off-by: krystal <56278409+theekrystallee@users.noreply.github.com>

Author: theekrystallee

hedera/core-concepts/accounts/hiero-hooks.mdx

@@ -254,6 +254,5 @@ For example, if a transaction's `TokenTransfers` list specifies an NFT transfer
 
 ## Next Steps
 
-* [Deploy Your First Hook](#) - Step-by-step tutorial
 * [HookStoreTransaction](#) - SDK documentation
 * [HIP-1195](https://hips.hedera.com/hip/hip-1195) - Full technical specification

hedera/networks/release-notes/services.mdx

@@ -9,9 +9,9 @@ Visit the [Hedera status page](https://status.hedera.com/) for the latest versio
 <Info>
   **MAINNET UPDATE: APRIL 15, 2026**
 </Info>
-<Info>
-  **TESTNET UPDATE: APRIL 2, 2026**
-</Info>
+<Check>
+  **TESTNET UPDATED: APRIL 2, 2026**
+</Check>
 
 ### Release highlights