diff --git a/modules/enum/README b/modules/enum/README
index 2f10a2c427a..b1f0c0007d6 100644
--- a/modules/enum/README
+++ b/modules/enum/README
@@ -72,7 +72,7 @@ Chapter 1. Admin Guide
    based on the user part of the current Request-URI. These functions
    assume that the Request URI user part consists of an international
    phone number of the form +decimal-digits, where the number of digits is
-   at least 2 and at most 15. Out of this number enum_query forms a domain
+   at least 2 and at most 20. Out of this number enum_query forms a domain
    name, where the digits are in reverse order and separated by dots
    followed by domain suffix that by default is "e164.arpa.". For example,
    if the user part is +35831234567, the domain name will be
diff --git a/modules/enum/doc/enum_admin.xml b/modules/enum/doc/enum_admin.xml
index 939c5fc56b6..d5d34d2d79d 100644
--- a/modules/enum/doc/enum_admin.xml
+++ b/modules/enum/doc/enum_admin.xml
@@ -21,7 +21,7 @@
 		based on the user part of the current Request-URI. These functions
 		assume that the Request URI user part consists of an international phone number 
 		of the form +decimal-digits, where the number of digits is at
-		least 2 and at most 15. Out of this number 
+		least 2 and at most 20. Out of this number
 		<function moreinfo="none">enum_query</function> forms a domain name, 
 		where the digits are in reverse order and separated by dots followed by 
 		domain suffix that by default is <quote>e164.arpa.</quote>. For example,