diff --git a/packages/counters.lua b/packages/counters.lua
index 780e21310..7a67de0b1 100644
--- a/packages/counters.lua
+++ b/packages/counters.lua
@@ -147,10 +147,17 @@ value of the counter according to the counter’s declared display type.
 \code{display=\em{<display-type>}} parameter
 to set the \em{display type} of the counter.
 
-The available display types are: \code{arabic}, the default;
+The available built-in display types are: \code{arabic}, the default;
 \code{alpha}, for alphabetic counting;
 \code{roman}, for lower-case Roman numerals; and \code{Roman} for upper-case
-Roman numerals.}
+Roman numerals.
+
+The ICU library also provides ways of formatting numbers in global (non-Latin)
+scripts. You can use any of the display types in this list:
+\url{http://www.unicode.org/repos/cldr/tags/latest/common/bcp47/number.xml}.
+For example, \code{display=beng} will format your numbers in Bengali digits.
+}
+
 
 So, for example, the following SILE code: