diff --git a/ChangeLog b/ChangeLog
index 8c0f3e6ff..65a38207d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2022-03-31  Matthew Martin  <phy1729@gmail.com>
+
+	* 49907: Etc/completion-style-guide: Mention _numbers in
+	completion guide.
+
 2022-03-31  Peter Stephenson  <p.stephenson@samsung.com>
 
 	* 27639: Doc/Zsh/expn.yo: clarify that ${(#)...} deals with
diff --git a/Etc/completion-style-guide b/Etc/completion-style-guide
index 4fa0040a5..f7dcae230 100644
--- a/Etc/completion-style-guide
+++ b/Etc/completion-style-guide
@@ -75,6 +75,8 @@ but use:
 To indicate a default value, use square brackets:
   '--timeout[specify connection timeout]:timeout (ms) [5000]'
 These two conventions can be used together or individually as appropriate.
+Alternatively the `_numbers' function may be used:
+  '--timeout[specify connection timeout]: :_numbers -u ms -d 5000 timeout'
 
 Group descriptions should be singular because only one thing is being
 completed even though many may be listed. This applies even where you