Eager colab: make the "not like numpy" statement slightly more useful.

samples/outreach/demos/eager_execution.ipynb

@@ -191,8 +191,8 @@
         "Tensors behave similarly to NumPy arrays, but they don't behave exactly the\n",
         "same. \n",
         "\n",
-        "For example, Tensors don't implement the equals operator in the natural\n",
-        "way."
+        "For example, the equals operator on Tensors compares objects. Use\n",
+	"`tf.equal` to compare values."
       ]
     },
     {