docs: fix output formatting in faq.mdx (#13231)

There were a few Markdown typos in one FAQ answer. It now renders as a proper ascii table.

docs/faq.mdx

@@ -57,8 +57,13 @@ ollama ps
 ```
 
 <Info>
-  **Output**: ``` 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
+```
 </Info>
 
 The `Processor` column will show which memory the model was loaded in to: