Update 'README.md'

README.md

@@ -75,8 +75,9 @@ Inpainting is a technique to make small modification or fix small defects on an
 
 ### ControlNet (+Stable Diffusion)
 
-ControlNet is a neural network structure to control diffusion models by adding extra conditions
+ControlNet is a neural network structure to control diffusion models by adding extra conditions. Install extension for A1111: [`sd-webui-controlnet`](https://github.com/Mikubill/sd-webui-controlnet)
+
+Some technical background:
 
 ![](images/cn-sd.png)
 
-Install extension for A1111: [`sd-webui-controlnet`](https://github.com/Mikubill/sd-webui-controlnet)