[Minor] Fix comment in mistral.py (#1303)

vllm/model_executor/models/mistral.py

@@ -20,7 +20,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-"""Inference-only LLaMA model compatible with HuggingFace weights.
+"""Inference-only Mistral model compatible with HuggingFace weights.
 
 The input of the model is flattened to a 1D tensor of tokens. The model uses
 InputMetadata to extract the original 2D shape of the input.