diff --git a/dev/Metasploit-Development-Environment.md b/dev/Metasploit-Development-Environment.md
index 691313f4c0..b3f8b6349b 100644
--- a/dev/Metasploit-Development-Environment.md
+++ b/dev/Metasploit-Development-Environment.md
@@ -228,7 +228,7 @@ Of course, you might occasionally run into rebase conflicts, but let's just assu
 
 > A note on terminology: In Git, we often refer to "origin" and "master," which can be confusing. "Origin" is a remote repository which contains all of **your** branches. "Master" is a branch of the source code -- usually the first branch, and the branch you don't tend to commit directly to. 
 
-> "Origin" **isn't** Rapid7's repository -- we usually referred to that repo as "Upstream." In other words, "upstream" is just another way of referring to the "rapid7" remote. 
+> "Origin" **isn't** Rapid7's repository -- we usually refer to that repo as "Upstream." In other words, "upstream" is just another way of referring to the "rapid7" remote. 
 
 > Got it? "Origin" is your repo up at GitHub, "upstream" is Rapid7's GitHub repo, and "master" is the primary branch of their respective repos.