diff --git a/README.md b/README.md
index 7ef7501..bb1579f 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ APRS (text msg + geo-coordinates + meta-data) -> AX.25 -> PCM -> PWM -> Low-Pass
 ## Preliminaries
 
 Your host platform is assumed to be LINUX.
-If you have already installed the Pico-SDK, set the `PICO_SDK_PATH` environment variable accordingly to avoid installing the SDK it twice.
+If you have already installed the Pico-SDK, set the `PICO_SDK_PATH` environment variable accordingly to avoid installing the SDK twice.
 
 ## Hardware