Quick fix: icons create-a-prompt page (#2910)

Author: katmayb

src/langsmith/create-a-prompt.mdx

@@ -26,9 +26,6 @@ The prompt is made up of messages, each of which has a _role_, including:
 - **System**: The "instruction manual". Use this to define the AI's persona, tone, and ground rules (e.g., "You are a helpful assistant that explains things like the weather").
 - **Human**: The "user". This represents the person asking questions or providing instructions to the AI.
 - **AI**: The "assistant". This is the model’s response. In the playground, you can use this to provide "few-shot" examples—showing the AI exactly how you want it to respond.
-
-
-
 - **Tool / Function**: These roles represent the output from external tools (like a calculator or a search engine). They help you test how the AI should behave after receiving specific data.
 - **Chat**: A general-purpose role, often used when importing logs or conversation history where specific labels haven't been assigned.
 - **Messages List**: A dynamic placeholder. This allows you to add a variable that contains an entire list of previous messages, making it easy to manage long conversation histories.
@@ -89,7 +86,7 @@ Use the **[Polly](/langsmith/polly)** AI assistant in the Playground to generate
 
 ## Run the prompt
 
-To run a prompt, use <Icon icon="circle-play"/> **Start** at the top of the right panel in the playground.
+To run a prompt, use <Icon icon="player-play"/> **Start** at the top of the right panel in the playground.
 
 ## Save your prompt
 
@@ -107,7 +104,7 @@ After you've created a prompt, you can view a table of your prompts under **Prom
 
 ## Add metadata
 
-To add metadata to your prompt, click the <Icon icon="ellipsis-vertical"/> **More** icon on the top right-hand side of the page and then click the <Icon icon="pencil"/> **Update metadata** from the dropdown. This brings you to a page where you can add additional information about the prompt, including a description and README.
+To add metadata to your prompt, click the <Icon icon="dots-vertical"/> **More** icon on the top right-hand side of the page and then click the <Icon icon="pencil"/> **Update metadata** from the dropdown. This brings you to a page where you can add additional information about the prompt, including a description and README.
 
 # Next steps