Update README.md

README.md

@@ -20,7 +20,7 @@ It requires custom nodes and file requirements, it's easy:
 4. VAE selector, (needs a VAE file, download SDXL BF16 VAE from [here](https://huggingface.co/madebyollin/sdxl-vae-fp16-fix/resolve/main/sdxl_vae.safetensors), put into \ComfyUI\models\vae\ ), just in case in the future there's better VAE or mandatory VAE for some models, use this selector
 5. Upscale model, (needs to be downloaded into \ComfyUI\models\upscale_models\ Recommended one is 4x-UltraSharp, download [from here](https://mega.nz/folder/qZRBmaIY#nIG8KyWFcGNTuMX_XNbJ_g). All the list of Upscale model is [here](https://upscale.wiki/w/index.php?title=Model_Database&oldid=1571))
 6. Single (Non Base+Refiner) SDXL Finetuned Checkpoints, (can be downloaded in CivitAI, my favorite is [Crystal Clear XL](https://civitai.com/models/122822), download Safetensors file and put into \ComfyUI\models\checkpoints\ )
-7. ControlNet models can be downloaded [from here](https://huggingface.co/lllyasviel/sd_control_collection/tree/main), put into \ComfyUI\models\controlnet\
+7. "ComfyUI ControlNet Aux" custom node can be installed with [this instruction](https://github.com/Fannovel16/comfyui_controlnet_aux#installation), and the models can be downloaded [from here](https://huggingface.co/lllyasviel/sd_control_collection/tree/main), put into \ComfyUI\models\controlnet\
 8. Restart ComfyUI to apply these installation
 9. Note: When loading a PNG Workflow from here, first click Refresh on ComfyUI menu, it will refresh models that you have on your PC, then choose it (Checkpoints, VAE, LoRA, Upscale Model, ControlNet models etc) accordingly.