docs: improve syntax highlighting in code blocks (#8854)

docs/faq.md

@@ -24,7 +24,7 @@ By default, Ollama uses a context window size of 2048 tokens.
 
 To change this when using `ollama run`, use `/set parameter`:
 
-```
+```shell
 /set parameter num_ctx 4096
 ```
 
@@ -46,10 +46,15 @@ Use the `ollama ps` command to see what models are currently loaded into memory.
 
 ```shell
 ollama ps
-NAME      	ID          	SIZE 	PROCESSOR	UNTIL
-llama3:70b	bcfb190ca3a7	42 GB	100% GPU 	4 minutes from now
 ```
 
+> **Output**:
+>
+> ```
+> NAME      	ID          	SIZE 	PROCESSOR	UNTIL
+> llama3:70b	bcfb190ca3a7	42 GB	100% GPU 	4 minutes from now
+> ```
+
 The `Processor` column will show which memory the model was loaded in to:
 * `100% GPU` means the model was loaded entirely into the GPU
 * `100% CPU` means the model was loaded entirely in system memory
@@ -88,7 +93,7 @@ If Ollama is run as a systemd service, environment variables should be set using
 
 4. Reload `systemd` and restart Ollama:
 
-   ```bash
+   ```shell
    systemctl daemon-reload
    systemctl restart ollama
    ```
@@ -221,16 +226,19 @@ properties.
 If you are using the API you can preload a model by sending the Ollama server an empty request. This works with both the `/api/generate` and `/api/chat` API endpoints.
 
 To preload the mistral model using the generate endpoint, use:
+
 ```shell
 curl http://localhost:11434/api/generate -d '{"model": "mistral"}'
 ```
 
 To use the chat completions endpoint, use:
+
 ```shell
 curl http://localhost:11434/api/chat -d '{"model": "mistral"}'
 ```
 
 To preload a model using the CLI, use the command:
+
 ```shell
 ollama run llama3.2 ""
 ```
@@ -250,11 +258,13 @@ If you're using the API, use the `keep_alive` parameter with the `/api/generate`
 * '0' which will unload the model immediately after generating a response
 
 For example, to preload a model and leave it in memory use:
+
 ```shell
 curl http://localhost:11434/api/generate -d '{"model": "llama3.2", "keep_alive": -1}'
 ```
 
 To unload the model and free up memory use:
+
 ```shell
 curl http://localhost:11434/api/generate -d '{"model": "llama3.2", "keep_alive": 0}'
 ```