Small spelling improvements to the RNN chapter

14_recurrent_neural_networks.ipynb

@@ -1118,7 +1118,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Let's create the RNN. It will contain 100 recurrent neurons and we will unroll it over 20 time steps since each traiing instance will be 20 inputs long. Each input will contain only one feature (the value at that time). The targets are also sequences of 20 inputs, each containing a sigle value:"
+    "Let's create the RNN. It will contain 100 recurrent neurons and we will unroll it over 20 time steps since each training instance will be 20 inputs long. Each input will contain only one feature (the value at that time). The targets are also sequences of 20 inputs, each containing a single value:"
    ]
   },
   {