diff --git a/.bashrc b/.bashrc
index 146949f..a59a6f5 100644
--- a/.bashrc
+++ b/.bashrc
@@ -149,3 +149,5 @@ if ! shopt -oq posix; then
     . /etc/bash_completion
   fi
 fi
+
+source ~/bin/commacd.sh
diff --git a/README.md b/README.md
index 5a6946b..0fa1cea 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Here's a list of the most interesting ones, along with what they do and where th
  - [tig](http://jonas.nitro.dk/tig/) - A terminal-based git repository browser.
  - backup - A script I wrote to make using Duplicity easier.
  - genimagecomparisonframes - Another script I wrote to generate the frames for the first half of [this video](https://starbeamrainbowlabs.com/blog/images/20160525-Tessellator-Comparison.webm).
- - [dtach]()
+ - [dtach](http://dtach.sourceforge.net/) - A  minimal alternative to `screen` and `tmux`.
 
 ## Disclaimer
 I don't own many of the tools in this repository. If you are an owner of one of these tools and I haven't linked to you, please let me know as I probably forgot.