diff --git a/README.md b/README.md
index a0c88241..6b678a4c 100644
--- a/README.md
+++ b/README.md
@@ -763,7 +763,7 @@ import (
 
 // Booking contains binded and validated data.
 type Booking struct {
-	CheckIn  time.Time `form:"check_in" binding:"required,bookabledate" time_format:"2006-01-02"`
+	CheckIn  time.Time `form:"check_in" binding:"required" time_format:"2006-01-02"`
 	CheckOut time.Time `form:"check_out" binding:"required,gtfield=CheckIn" time_format:"2006-01-02"`
 }