diff --git a/.ipynb_checkpoints/not_so_obvious_python_stuff-checkpoint.ipynb b/.ipynb_checkpoints/not_so_obvious_python_stuff-checkpoint.ipynb
index 4898146..455c8c1 100644
--- a/.ipynb_checkpoints/not_so_obvious_python_stuff-checkpoint.ipynb
+++ b/.ipynb_checkpoints/not_so_obvious_python_stuff-checkpoint.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:df40791be1e08052b49de55275b6025defd84acad805842af17f14781fca9db3"
+  "signature": "sha256:c2f36b6a79c6740b2b52e82eb8c119ab067899c10a16af7a9d8b824903def4ed"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -41,7 +41,7 @@
       "<hr>\n",
       "I am really looking forward to your comments and suggestions to improve and  \n",
       "extend this little collection! Just send me a quick note   \n",
-      "via Twitter: [@rasbt](https://twitter.com/rasbt)  \n",
+      "via Twitter: [&#64;rasbt](https://twitter.com/rasbt)  \n",
       "or Email: [bluewoodtree@gmail.com](mailto:bluewoodtree@gmail.com)\n",
       "<hr>"
      ]
@@ -2689,7 +2689,7 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "# Abortive statements in `finally` blocks"
+      "## Abortive statements in `finally` blocks"
      ]
     },
     {
diff --git a/not_so_obvious_python_stuff.ipynb b/not_so_obvious_python_stuff.ipynb
index 4898146..455c8c1 100644
--- a/not_so_obvious_python_stuff.ipynb
+++ b/not_so_obvious_python_stuff.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:df40791be1e08052b49de55275b6025defd84acad805842af17f14781fca9db3"
+  "signature": "sha256:c2f36b6a79c6740b2b52e82eb8c119ab067899c10a16af7a9d8b824903def4ed"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -41,7 +41,7 @@
       "<hr>\n",
       "I am really looking forward to your comments and suggestions to improve and  \n",
       "extend this little collection! Just send me a quick note   \n",
-      "via Twitter: [@rasbt](https://twitter.com/rasbt)  \n",
+      "via Twitter: [&#64;rasbt](https://twitter.com/rasbt)  \n",
       "or Email: [bluewoodtree@gmail.com](mailto:bluewoodtree@gmail.com)\n",
       "<hr>"
      ]
@@ -2689,7 +2689,7 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "# Abortive statements in `finally` blocks"
+      "## Abortive statements in `finally` blocks"
      ]
     },
     {