diff --git a/en/reference/annotations-reference.rst b/en/reference/annotations-reference.rst
index 1760ca731..73859093c 100644
--- a/en/reference/annotations-reference.rst
+++ b/en/reference/annotations-reference.rst
@@ -141,7 +141,7 @@ Example:
 
 .. _annref_discriminatorcolumn:
 
-@DiscrimnatorColumn
+@DiscriminatorColumn
 ~~~~~~~~~~~~~~~~~~~~~
 
 This annotation is a required annotation for the topmost/super