Fix headings, move section

README.md

@@ -135,6 +135,7 @@ Windows: `run.bat [args]`
 
 Then open a web browser to http://localhost:5000
 
+
 ### Build with Docker
 
 ```bash
@@ -159,22 +160,6 @@ docker-compose up -d --build
 
 > The models are stored inside the container under `/home/libretranslate/.local/share` and `/home/libretranslate/.local/cache`. Feel free to use volumes if you do not want to redownload the models when the container is destroyed. To update the models, use the `--update-models` argument.
 
-### Update
-
-#### Software
-
-If you installed with pip:
-
-`pip install -U libretranslate`
-
-If you're using docker:
-
-`docker pull libretranslate/libretranslate`
-
-#### Language Models
-
-Start the program with the `--update-models` argument. For example: `libretranslate --update-models` or `./run.sh --update-models`.
-
 ### CUDA
 
 You can use hardware acceleration to speed up translations on a GPU machine with CUDA 11.2 and [nvidia-docker](https://docs.nvidia.com/datacenter/cloud-native/container-toolkit/install-guide.html) installed.
@@ -215,6 +200,22 @@ docker-compose -f docker-compose.cuda.yml up -d --build
 
 Note that each argument has an equivalent environment variable that can be used instead. The env. variables overwrite the default values but have lower priority than the command arguments and are particularly useful if used with Docker. The environment variable names are the upper-snake-case of the equivalent command argument's name with a `LT` prefix.
 
+## Update
+
+### Software
+
+If you installed with pip:
+
+`pip install -U libretranslate`
+
+If you're using docker:
+
+`docker pull libretranslate/libretranslate`
+
+### Language Models
+
+Start the program with the `--update-models` argument. For example: `libretranslate --update-models` or `./run.sh --update-models`.
+
 ## Run with WSGI and Gunicorn
 
 ```