diff --git a/guide/install.md b/guide/install.md
index 95561b4..01e3b25 100644
--- a/guide/install.md
+++ b/guide/install.md
@@ -113,7 +113,7 @@ $ sudo install -d -o moonfire-nvr -g moonfire-nvr -m 700 /media/nvr/sample
 In `/etc/fstab`, add a line similar to this:
 
 ```
-/dev/disk/by-uuid/23d550bc-0e38-4825-acac-1cac8a7e091f    /media/nvr   ext4    nofail,noatime,lazytime,data=writeback,journal_async_commit  0       2
+UUID=23d550bc-0e38-4825-acac-1cac8a7e091f    /media/nvr   ext4    nofail,noatime,lazytime,data=writeback,journal_async_commit  0       2
 ```
 
 You'll have to lookup the correct uuid for your disk. One way to do that is
@@ -128,6 +128,13 @@ system will boot successfully even when the hard drive is unavailable (such as
 when your external USB storage is unmounted). This can be helpful when
 recovering from problems.
 
+Create the sample directory.
+
+```
+sudo mkdir /media/nvr/sample
+sudo chown -R moonfire-nvr:moonfire-nvr /media/nvr
+```
+
 Add a new `--mount` line to your Docker wrapper script `/usr/local/bin/nvr`
 to expose this new volume to the Docker container, directly below the other
 mount lines. It will look similar to this: