diff --git a/content/en/functions/fmt/Warnf.md b/content/en/functions/fmt/Warnf.md
index 6b3547553..f4fa22474 100644
--- a/content/en/functions/fmt/Warnf.md
+++ b/content/en/functions/fmt/Warnf.md
@@ -22,6 +22,8 @@ The `warnf` function evaluates the format string, then prints the result to the
 {{ warnf "The %q shortcode was unable to find %s. See %s" .Name $file .Position }}
 ```
 
+Use the [`warnidf`] function to allow optional suppression of specific warnings.
+
 To prevent suppression of duplicate messages when using `warnf` for debugging, make each message unique with the [`math.Counter`] function. For example:
 
 
@@ -32,3 +34,5 @@ To prevent suppression of duplicate messages when using `warnf` for debugging, m
 ```
 
 [`math.Counter`]: /functions/math/counter/
+
+[`warnidf`]: /functions/fmt/warnidf/
diff --git a/data/page_filters.yaml b/data/page_filters.yaml
index e4a9ee37a..a4969e9b7 100644
--- a/data/page_filters.yaml
+++ b/data/page_filters.yaml
@@ -12,6 +12,7 @@ functions_fmt_logging:
   - /functions/fmt/errorf
   - /functions/fmt/erroridf
   - /functions/fmt/warnf
+  - /functions/fmt/warnidf
 functions_images_no_filters:
   - /functions/images/filter
   - /functions/images/config