Fixing typo

ImageColorizerColab.ipynb

@@ -223,7 +223,7 @@
     "watermarked = True #@param {type:\"boolean\"}\n",
     "\n",
     "if source_url is not None and source_url !='':\n",
-    "    image_path = colorizer.plot_transformed_image_from_url(url=source_url, render_factor=render_factor, compare=True. watermarked=watermarked)\n",
+    "    image_path = colorizer.plot_transformed_image_from_url(url=source_url, render_factor=render_factor, compare=True, watermarked=watermarked)\n",
     "    show_image_in_notebook(image_path)\n",
     "else:\n",
     "    print('Provide an image url and try again.')"