diff --git a/ansi/winop.go b/ansi/winop.go
index 6b860d55..0238780d 100644
--- a/ansi/winop.go
+++ b/ansi/winop.go
@@ -10,9 +10,10 @@ const (
 	// window.
 	ResizeWindowWinOp = 4
 
-	// ReportWindowSizeWinOp is a window operation that reports the size of the
-	// terminal window in pixels.
-	ReportWindowSizeWinOp = 14
+	// RequestWindowSizeWinOp is a window operation that requests a report of
+	// the size of the terminal window in pixels. The response is in the form:
+	//  CSI 4 ; height ; width t
+	RequestWindowSizeWinOp = 14
 
 	// RequestCellSizeWinOp is a window operation that requests a report of
 	// the size of the terminal cell size in pixels. The response is in the form: