Update llama-run README.md (#11386)

For consistency

Signed-off-by: Eric Curtin <ecurtin@redhat.com>

examples/run/README.md

@@ -3,11 +3,10 @@
 The purpose of this example is to demonstrate a minimal usage of llama.cpp for running models.
 
 ```bash
-llama-run granite-code
+llama-run granite3-moe
 ```
 
 ```bash
-llama-run -h
 Description:
   Runs a llm
 
@@ -17,7 +16,7 @@ Usage:
 Options:
   -c, --context-size <value>
       Context size (default: 2048)
-  -n, --ngl <value>
+  -n, -ngl, --ngl <value>
       Number of GPU layers (default: 0)
   --temp <value>
       Temperature (default: 0.8)