Update docs/examples/example_basic.ipynb

Co-authored-by: Kevin Klein <[email protected]>

docs/examples/example_basic.ipynb

@@ -215,7 +215,7 @@
     "model a nuisance model, the initialization parameters for it are separated from the other\n",
     "nuisance parameters to allow a more understandable user interface, see the next code prompt.\n",
     "\n",
-    "In general, when initializing a MetaLearner the ``nuisance_model_factory`` parameter will\n",
+    "In general, when initializing a MetaLearner, the ``nuisance_model_factory`` parameter will\n",
     "be used to create all the nuisance models which are not a propensity model,  the\n",
     "``propensity_model_factory`` will be used for the propensity model if the MetaLearner\n",
     "contains one, and the ``treatment_model_factory`` will be used for the models predicting\n",