[LMI-V7] minor fixes

Author: “Vivek

inference/generativeai/llm-workshop/deploy-V7-lmi/llama2_70b_lmi_v7.ipynb

@@ -242,9 +242,9 @@
     "%%writefile ./code_llama2/serving.properties\n",
     "engine = MPI\n",
     "option.model_id = {{s3url}}\n",
-    "option.task = text - generation\n",
+    "option.task = text-generation\n",
     "option.tensor_parallel_degree = 8\n",
-    "option.rolling_batch = lmi - dist\n",
+    "option.rolling_batch = lmi-dist\n",
     "option.output_formatter = json\n",
     "option.max_rolling_batch_size = 64\n",
     "option.model_loading_timeout = 3600"