(AzureCXP) fixes MicrosoftDocs/azure-ai-docs#335651

Updated line number 135

Author: ManoharLakkoju-MSFT

articles/ai-studio/how-to/flow-develop.md

@@ -132,7 +132,7 @@ By selecting a span, you can see the detailed information on the right side. Thi
 :::image type="content" source="../media/prompt-flow/authoring-trace.png" alt-text=" Screenshot of trace detail." lightbox="../media/prompt-flow/authoring-trace.png":::
 
 > [!NOTE]
-> In prompt flow SDK, we defined serval span types, including **LLM**, **Function**, **Embedding**, **Retrieval**, and **Flow**. And the system automatically creates spans with execution information in designated attributes and events.
+> In prompt flow SDK, we defined several span types, including **LLM**, **Function**, **Embedding**, **Retrieval**, and **Flow**. And the system automatically creates spans with execution information in designated attributes and events.
 >
 > To learn more about span types, see  [Trace span](https://microsoft.github.io/promptflow/reference/trace-span-spec-reference.html).