docs(ai): update text-to-image.mdx (#703)

This commit fixes a small typo on the text-to-image pipeline page.

---------

Co-authored-by: Rick Staa <[email protected]>

Author: gasperzupancic

ai/pipelines/text-to-image.mdx

@@ -42,7 +42,7 @@ in a ready state:
 
 <Tip>
   For faster responses with different
-  [text-to-video](https://huggingface.co/models?pipeline_tag=text-to-video)
+  [text-to-image](https://huggingface.co/models?pipeline_tag=text-to-image)
   diffusion models, ask Orchestrators to load it on their GPU via the `ai-video`
   channel in [Discord Server](https://discord.gg/livepeer).
 </Tip>