Update timeout information in functions documentation

Clarify timeout limits for asynchronous and synchronous functions.

Author: DH-555

src/routes/docs/products/functions/functions/+page.markdoc

@@ -164,12 +164,13 @@ You can access environment variables inside functions using your [runtime langua
 
 ## Timeout {% #timeout %}
 You can limit the execution time of your function by navigating to your function > **Settings** > **Timeout**.
-There is a system wide maximum timeout of 900 seconds (15 minutes).
+There is a system-wide maximum timeout of 900 seconds (15 minutes) for asynchronous functions.
+For synchronous functions, there is a hard limit of 30s.
 
 ## Scopes {% #scopes %}
 
 You can configure the permission scopes for the function [dynamic API key](/docs/products/functions/develop#dynamic-api-key). The dynamic API key is automatically generated to access your project resources like users and buckets but can only be used inside of Appwrite functions. Navigate to your function > **Settings** > **Scopes** to configure your dynamic API key permission scopes.
 
 {% arrow_link href="/docs/advanced/platform/api-keys#scopes" %}
 Learn more about scopes
-{% /arrow_link %}
+{% /arrow_link %}