diff --git a/src/ol/events/condition.js b/src/ol/events/condition.js
index e8bef80062..41a9fbadb1 100644
--- a/src/ol/events/condition.js
+++ b/src/ol/events/condition.js
@@ -140,8 +140,9 @@ ol.events.condition.noModifierKeys = function(mapBrowserEvent) {
 
 
 /**
- * Return `true` if only the platform-modifier-key (e.g. the windows-key) is
- * pressed, `false` otherwise (e.g. when additionally the shift-key is pressed).
+ * Return `true` if only the platform-modifier-key (the meta-key on Mac,
+ * ctrl-key otherwise) is pressed, `false` otherwise (e.g. when additionally
+ * the shift-key is pressed).
  *
  * @param {ol.MapBrowserEvent} mapBrowserEvent Map browser event.
  * @return {boolean} True if only the platform modifier key is pressed.