Update apps/portal/src/app/engine/faq/page.mdx

Co-authored-by: graphite-app[bot] <96075541+graphite-app[bot]@users.noreply.github.com>
Signed-off-by: samina <[email protected]>

Author: saminacodes

apps/portal/src/app/engine/faq/page.mdx

@@ -44,7 +44,7 @@ Here are three ways to determine when the job is mined:
   ```
 </Details>
 
-<Details summary="How do I send native currency with my transaction??"> 
+<Details summary="How do I send native currency with my transaction?">
 
 To send native tokens (e.g. ETH on Ethereum), set `txOverrides.value`.
 This may be required when calling a `payable` contract method.