Removed future lesson language

index.ipynb

@@ -968,7 +968,7 @@
     "\n",
     "The examples so far have used files containing text data, which is straightforward to use in Python because it neatly corresponds to the string data type. For more-complex file types, we will often need to use additional modules or libraries.\n",
     "\n",
-    "We will go over the most important tools in more depth in future lessons, but here is a high-level overview of how you might open various file types with Python. For now we will only look at reading this data, but there is almost always a corresponding technique with that library to write to that type of file, just like we have both `.read` and `.write` with the built-in Python file objects.\n",
+    "Here is a high-level overview of how you might open various file types with Python. For now we will only look at reading this data, but there is almost always a corresponding technique with that library to write to that type of file, just like we have both `.read` and `.write` with the built-in Python file objects.\n",
     "\n",
     "### Tabular Data Files\n",
     "\n",