diff --git a/README.md b/README.md
index 634fbb3..b63ba17 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ looks like a blank, black screen, but it may be different for you.
 
 I will list off how you can find your command line interface for a few
 UNIX-like environments in the sections listed below, and then we will
-test the environment to make sure everything is working:
+test the environment to make sure everything is working.
 
 - [For macOS users](#for-macos-users)
 - [For Windows Subsystem for Linux users](#for-windows-subsystem-for-linux-users)