Update grammar_dataset_process.ipynb

src/llama_recipes/datasets/grammar_dataset/grammar_dataset_process.ipynb

@@ -35,8 +35,8 @@
     "  (\" '\", \"'\"),\n",
     "  (\" ?\", \"?\"),\n",
     "  (\" !\", \"!\"),\n",
-    "  (\" :\", \"!\"),\n",
-    "  (\" ;\", \"!\"),\n",
+    "  (\" :\", \":\"),\n",
+    "  (\" ;\", \";\"),\n",
     "  (\" n't\", \"n't\"),\n",
     "  (\" v\", \"n't\"),\n",
     "  (\"2 0 0 6\", \"2006\"),\n",