diff --git a/docs/README.md b/docs/README.md
index e62aa93..a49a6a9 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -50,7 +50,7 @@ You’re done here, next…
 
 The expression pedal is connected to ADC0 on the Pico.
 
-6. Connect the jack sleeve to Pico ground pin (any or 3, 8, 13, 18, 23, 28, or 33)
+6. Connect the jack sleeve to Pico ground pin (any of 3, 8, 13, 18, 23, 28, or 33)
 7. Connect the jack ring to Pico pin 31 (ADC0)
 8. Connect the jack tip to Pico pin 36 (3V3 OUT)