diff --git a/README.md b/README.md
index e1a4c8d..1cbc30b 100644
--- a/README.md
+++ b/README.md
@@ -8,4 +8,4 @@ Therefor, interphase is a kind of ISO-compatible layout with some minor modifica
 
 ![keyboard layout](layout.png?raw=true "layout")
 
-Update on battery life: The AAA batteries (Duracell) per keyboard-half are still going strong. After 5 months of heavy usage at work, they only dropped to ~1.4V. Therefor the total lifetime of the batteries will be approximateley 1 - 1.5 years, as the voltage regulator will work down to 0.35V.
+Update on battery life: The AAA batteries (Duracell) per keyboard-half are still going strong. After 5 months of heavy usage at work, they only dropped to ~1.4V. Therefor the total lifetime of the batteries will be approximately 1 - 1.5 years, as the voltage regulator will work down to 0.35V.