diff --git a/docs/en/ml/populations.asciidoc b/docs/en/ml/populations.asciidoc
index 3d795e7fc33..1bea1a000ab 100644
--- a/docs/en/ml/populations.asciidoc
+++ b/docs/en/ml/populations.asciidoc
@@ -50,7 +50,7 @@ PUT _xpack/ml/anomaly_detectors/population
 }
 ----------------------------------
 //CONSOLE
-<1> This `over_field-name` property indicates that the metrics for each user (
+<1> This `over_field_name` property indicates that the metrics for each user (
   as identified by their `username` value) are analyzed relative to other users
   in each bucket.