diff --git a/src/portability/index.md b/src/portability/index.md
index 754ef63..77a2191 100644
--- a/src/portability/index.md
+++ b/src/portability/index.md
@@ -42,7 +42,7 @@ As said above there are three main users of the HAL:
 
 A HAL implementation provides the interfacing between the hardware and and the users of the HAL traits. Typical implementations consist of three parts:
 * One or more hardware specific types
-* Functions to create and intialise such a type, often providing various configuration options (speed, operation mode, use pins, etc.)
+* Functions to create and initialize such a type, often providing various configuration options (speed, operation mode, use pins, etc.)
 * one or more `trait` `impl` of **embedded-hal** traits for that type
 
 Such a **HAL implementation** can come in various flavours: