diff --git a/docs/std_iso_pdf.ipynb b/docs/std_iso_pdf.ipynb
index a99beda..a37ad73 100644
--- a/docs/std_iso_pdf.ipynb
+++ b/docs/std_iso_pdf.ipynb
@@ -64,6 +64,8 @@
                 }
             },
             "source": [
+                "## PDF File Summary\n",
+                "\n",
                 "To use `mtbp3.stdiso`:"
             ]
         },
@@ -115,6 +117,8 @@
             "cell_type": "markdown",
             "metadata": {},
             "source": [
+                "## Image \n",
+                "\n",
                 "We can see that there is one image in the 3rd page from the summary above. \n",
                 "To extract the first image on the 3rd page:"
             ]
@@ -145,6 +149,7 @@
             "source": [
                 "from IPython.display import Image \n",
                 "\n",
+                "img.resize(width=300)\n",
                 "display(img)"
             ]
         },
@@ -156,7 +161,7 @@
                 }
             },
             "source": [
-                "To save the image to a file, add an existing folder path using `outfolder='add_path_here'`."
+                "To save the 2nd image on the 4th page to a file, add an existing folder path using `outfolder='add_path_here'`:"
             ]
         },
         {
@@ -170,7 +175,7 @@
             "outputs": [],
             "source": [
                 "img_path = pfr.get_image(page_index=3, image_index=1, outfolder='.')\n",
-                "img = Image(filename=img_path)\n",
+                "img = Image(filename=img_path, width=300)\n",
                 "display(img)"
             ]
         },