Apply suggestion to clarify parallel tool calling behavior (#150)

Changed 'execute multiple independent actions simultaneously' to 'execute
multiple independent actions before the next LLM call' for better clarity
on when parallel actions are executed.

Co-authored-by: openhands <openhands@all-hands.dev>
Co-authored-by: enyst <enyst@users.noreply.github.com>

Author: 3 people

sdk/faq.mdx

@@ -8,7 +8,7 @@ icon: question
 
 **Yes, the OpenHands SDK supports parallel tool calling by default.**
 
-The SDK automatically handles parallel tool calls when the underlying LLM (like Claude or GPT-4) returns multiple tool calls in a single response. This allows agents to execute multiple independent actions simultaneously, improving efficiency.
+The SDK automatically handles parallel tool calls when the underlying LLM (like Claude or GPT-4) returns multiple tool calls in a single response. This allows agents to execute multiple independent actions before the next LLM call.
 
 <Accordion title="How it works" icon="gear">
 When the LLM generates multiple tool calls in parallel, the SDK groups them using a shared `llm_response_id`: