diff --git a/README.md b/README.md
index a2ba949..3a41519 100644
--- a/README.md
+++ b/README.md
@@ -103,7 +103,7 @@ __('{a} {a} {b} {b} {b}', {a: 'foo', b: 'bar'})
 
 Get locale from query / cookie and header.
 
-### `context.setLocale()`
+### `context.__setLocale()`
 
 Set locale and cookie.