There is currently no plugin for QGIS that allows you to edit OSM dats. data. There used to be one (with numerous issues) that may be causing the confusion. Typically, if you are used to QGIS or other GIS apps, you shouldn't have any problems using [JOSM](http://josm.openstreetmap.de/)[JOSM](http://josm.openstreetmap.de/). You can use the [OSMEditorRemoteControl](http://plugins.qgis.org/plugins/OSMEditorRemoteControl/) QGIS plugin to easily switch from QGIS to JOSM.

There is currently no plugin for QGIS that allows you to edit OSM dats. There used to be one (with numerous issues) that may be causing the confusion. Typically, if you are used to QGIS or other GIS apps, you shouldn't have any problems using [JOSM](http://josm.openstreetmap.de/)