diff --git a/content/en/functions/errorf.md b/content/en/functions/errorf.md
index 1e5b47ff0..bf9b5621f 100644
--- a/content/en/functions/errorf.md
+++ b/content/en/functions/errorf.md
@@ -18,7 +18,7 @@ deprecated: false
 aliases: []
 ---
 
-`errorf` will evaluate a format string, then output the result to the ERROR log.
+`errorf` will evaluate a format string, then output the result to the ERROR log (and only once per error message to avoid flooding the log).
 
 This will also cause the build to fail (the `hugo` command will `exit -1`).