Improve documentation.

Correct typo and provide more information on
type of binary image in SimpleITK.

Author: zivy

01_spatial_transformations.ipynb

@@ -668,7 +668,7 @@
     "original_transformed = np.array(bspline.TransformPoint(pnt))\n",
     "secondary_transformed = np.array(displacement_field_transform.TransformPoint(pnt))\n",
     "print(\"Original transformation result: {0}\".format(original_transformed))\n",
-    "print(\"Deformaiton field transformation result: {0}\".format(secondary_transformed))\n",
+    "print(\"Deformation field transformation result: {0}\".format(secondary_transformed))\n",
     "print(\n",
     "    \"Difference between transformed points is: {0}\".format(\n",
     "        np.linalg.norm(original_transformed - secondary_transformed)\n",

02_images_and_resampling.ipynb

@@ -312,7 +312,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Comparative operators (>, >=, <, <=, ==) are also supported, returning binary images."
+    "Comparative operators (>, >=, <, <=, ==) are also supported, returning binary images with pixel type of sitkUInt8."
    ]
   },
   {