diff --git a/docs/sources/installation/vagrant.rst b/docs/sources/installation/vagrant.rst
index 05fb579d5e..3d7faf515e 100644
--- a/docs/sources/installation/vagrant.rst
+++ b/docs/sources/installation/vagrant.rst
@@ -10,7 +10,7 @@ Using Vagrant (Mac, Linux)
 This guide will setup a new virtualbox virtual machine with docker
 installed on your computer. This works on most operating systems,
 including MacOX, Windows, Linux, FreeBSD and others. If you can
-install these and have at least 400Mb RAM to spare you should be good.
+install these and have at least 400MB RAM to spare you should be good.
 
 Install Vagrant and Virtualbox
 ------------------------------