diff --git a/dev/Setting-Up-a-Metasploit-Development-Environment.md b/dev/Setting-Up-a-Metasploit-Development-Environment.md
index 10cc6bc016..bd9c92db5b 100644
--- a/dev/Setting-Up-a-Metasploit-Development-Environment.md
+++ b/dev/Setting-Up-a-Metasploit-Development-Environment.md
@@ -335,7 +335,7 @@ the web interface.
 
 ## Create an .ssh/config entry for Github
 
-One you have your new SSH key all set up, add this to your
+Once you have your new SSH key all set up, add this to your
 $HOME/.ssh/config -- create that file if you don't have one
 already.