diff --git a/docs/api.md b/docs/api.md
index 9601cca2fd..b0b3166e7a 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -28344,7 +28344,7 @@ All CR instances which the ServiceAccount has access to will be retrieved. This
PodMonitors to be selected for target discovery.
This is a map of {key,value} pairs. Each {key,value} in the map is going to exactly match a label in a
PodMonitor's meta labels. The requirements are ANDed.
-Empty or nil map matches all pod monitors.
+Empty map matches all pod monitors, nil selector matches no objects.