diff --git a/docs/api/request.md b/docs/api/request.md
index 0bc2a3f81..0317c30f8 100644
--- a/docs/api/request.md
+++ b/docs/api/request.md
@@ -386,4 +386,4 @@ ctx.acceptsLanguages();
 
 ### request.get(field)
 
-  Return request header.
+  Return request header with case-insensitive `field`.