diff --git a/README.md b/README.md
index 083880b4e2..dc5f612f67 100644
--- a/README.md
+++ b/README.md
@@ -116,7 +116,7 @@ If such situation bothers you add this to your `config.h`:
     #define PREVENT_STUCK_MODIFIERS
 
 Warning: This option uses up 1 byte of memory per key. For example on
-Planck it uses 4\*12=96 bytes.
+Planck it uses 4\*12=48 bytes.
 
 ### Remember: These are just aliases