diff --git a/jsonschema-validation.xml b/jsonschema-validation.xml
index 6c34976b..60db5798 100644
--- a/jsonschema-validation.xml
+++ b/jsonschema-validation.xml
@@ -242,6 +242,10 @@
The value of this keyword MAY be of any type, including null.
+
+ Use of this keyword is functionally equivalent to an
+ "enum" with a single value.
+
An instance validates successfully against this keyword if its value is
equal to the value of the keyword.