diff --git a/Language/Functions/Characters/isHexadecimalDigit.adoc b/Language/Functions/Characters/isHexadecimalDigit.adoc
index e6e6b6026..d1546b66d 100644
--- a/Language/Functions/Characters/isHexadecimalDigit.adoc
+++ b/Language/Functions/Characters/isHexadecimalDigit.adoc
@@ -17,7 +17,7 @@ subCategories: [ "Characters" ]
 
 [float]
 === Description
-Analyse if a char is an hexadecimal digit (A-F, 0-9). Returns true if thisChar contains an hexadecimal digit.
+Analyse if a char is an hexadecimal digit (0-9, A-F, a-f). Returns true if thisChar contains an hexadecimal digit.
 [%hardbreaks]