diff --git a/README.md b/README.md
index a9364e3..464fe52 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ export AIRSUPPORT_PORT=3000
 export AIRSUPPORT_WEBSOCKETS=true
 ```
 
-In this case, your prefix will `'airsupport'` -- prefixes will be
+In this case, your prefix will be `'airsupport'` -- the prefix will be
 auto-capitalized because only barbarians use lowercase letters in their
 environment variables.