Fix: Correct grammar in Task class method description

Corrected the grammatical issue in the sentence describing the methods of The Task class. Specifically, added the missing preposition "to" in the phrase "applying processing operations to the data" to improve readability and correctness.

docs/user-guide/task.ipynb

@@ -281,7 +281,7 @@
    "metadata": {},
    "source": [
     "### Task methods\n",
-    "The `Task` class also contains methods for applying processing operations the data (like removing NaNs, adding batch dimensions, etc.).\n",
+    "The `Task` class also contains methods for applying processing operations to the data (like removing NaNs, adding batch dimensions, etc.).\n",
     "These operations will be recorded in the order they were applied the `\"ops\"` entry of the `Task`.\n",
     "Operations can be chained together, for example:"
    ]