diff --git a/README.md b/README.md
index 18a94b79..d456a345 100644
--- a/README.md
+++ b/README.md
@@ -378,7 +378,7 @@ process.env['BLENO_DEVICE_NAME'] = 'custom device name';
 
 bleno uses a 100 ms advertising interval by default.
 
-A custom advertising interval can be specified by setting the ```BLENO_ADVERTISING_INTERVAL``` enviroment variable with the desired value in milliseconds:
+A custom advertising interval can be specified by setting the ```BLENO_ADVERTISING_INTERVAL``` environment variable with the desired value in milliseconds:
 
 ```sh
 sudo BLENO_ADVERTISING_INTERVAL=500 node <your file>.js