diff --git a/DOCS/tech/slave.txt b/DOCS/tech/slave.txt
index f62c785a60..a6e2cdacca 100644
--- a/DOCS/tech/slave.txt
+++ b/DOCS/tech/slave.txt
@@ -90,13 +90,13 @@ grab_frames
     Currently unimplemented.
 
 screenshot
-    Take a screenshot. Currently not implemented in any video output driver.
+    Take a screenshot. Requires the screenshot filter to be loaded.
 
 gui_[about|loadfile|loadsubtitle|play|playlist|preferences|skinbrowser|stop]
     GUI actions
 
 key_down_event <value>
-	Inject <value> key code event in mplayer.
+	Inject <value> key code event into MPlayer.
 
 loadfile <file|url> <append>
     Load the given file/URL, stopping playback of the current file/URL.