fix typo

Author: msokoloff1

examples/model_diagnostics/custom_metrics_basics.ipynb

@@ -96,7 +96,7 @@
    "metadata": {},
    "source": [
     "## Custom Metrics\n",
-    "* Users can provide metrics to provide metric information at different levels of granularity.\n",
+    "* Users can provide metrics at different levels of granularity.\n",
     "    * Users can provide metrics for \n",
     "        1. data rows\n",
     "        2. features\n",