diff --git a/README.md b/README.md
index 85d2425..6f27b8e 100644
--- a/README.md
+++ b/README.md
@@ -38,11 +38,11 @@ IPython Notebooks demonstrating spark and HDFS functionality.
 IPython Notebooks demonstrating various command lines for Linux, Git, etc.
 
 * [linux](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/linux.ipynb)
-* [anaconda](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#Anaconda)
-* [ipython notebook](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#IPython_Notebook)
-* [git](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#Git)
-* [ruby](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#Ruby)
-* [jekyll](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#Jekyll)
+* [anaconda](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#anaconda)
+* [ipython notebook](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#ipython-notebook)
+* [git](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#git)
+* [ruby](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#ruby)
+* [jekyll](http://nbviewer.ipython.org/github/donnemartin/ipython-data-notebooks/blob/master/commands/misc.ipynb#jekyll)
 
 ## matplotlib
 
diff --git a/commands/misc.ipynb b/commands/misc.ipynb
index 628a205..65c7234 100644
--- a/commands/misc.ipynb
+++ b/commands/misc.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:9123b15f50bd4a9755cf5159f2834514ecd8d1e384720859004286fb89b055ca"
+  "signature": "sha256:eacb6ecfdfc78ef076b1c9af4a4dcdb87d90648fff3903459c6ff20ed1df54e4"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -25,7 +25,7 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "<h2 id=\"Anaconda\">Anaconda</h2>"
+      "<h2 id=\"anaconda\">Anaconda</h2>"
      ]
     },
     {
@@ -65,7 +65,7 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "<h2 id=\"IPython_Notebook\">IPython Notebook</h2>"
+      "<h2 id=\"ipython-notebook\">IPython Notebook</h2>"
      ]
     },
     {
@@ -131,7 +131,7 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "<h2 id=\"Git\">Git</h2>"
+      "<h2 id=\"git\">Git</h2>"
      ]
     },
     {
@@ -234,7 +234,7 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "<h2 id=\"Ruby\">Ruby</h2>"
+      "<h2 id=\"ruby\">Ruby</h2>"
      ]
     },
     {
@@ -280,7 +280,7 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "<h2 id=\"Jekyll\">Jekyll</h2>"
+      "<h2 id=\"jekyll\">Jekyll</h2>"
      ]
     },
     {