diff --git a/doc/classes b/doc/classes
index 4411fa7..5d50b11 100644
--- a/doc/classes
+++ b/doc/classes
@@ -7,11 +7,13 @@ Thing: A base class, providing the Canvas- and Color-Mechanisms and positioning.
 Creature: Creatures are everything tha may attack and move (that is, players and monsters)
           Additional to Thing, this class provides mechanisms for moving the element by mouse or arrow-keys,
           collision-control to prevent overlaps, and bindings.
-          (*) Furthermore, every creture-object has a variable set to the associated game-object.
+          (*) Furthermore, every creture-object has a variable set to the id of the associated game-object,
+              such that one may call that one by "player[<id>]".
 
 The following additional functions and variables are defined in jsds_crafty.js:
 
-last_sel: contains a reference to the game-object associated to the last clicked object.
+cur_sel/last_sel: contain references to game-object associated to the last and previously clicked object.
+                  Needed for several functions like attacking, as well as for reset_bug (see below).
 end_init(): This function should be called as last after an adventure is loaded and initialized. Usually,
             when using arrow key control, crafty moves every EACH object where it is activated.
             end_init disables this control for each object of type "Creature", and sets a hook needed to work
diff --git a/doc/known_bugs b/doc/known_bugs
index 8421275..50159dd 100644
--- a/doc/known_bugs
+++ b/doc/known_bugs
@@ -20,3 +20,6 @@ If this happens, DON'T CLICK ANOTHER OBJECT! Open the JS-console and trigger the
 If you accidentily clicked ONE other object, it is still possible to get back to the old state:
 Manually reset_bug(), de- and refocus the window, and trigger reset_bug() once more.
 
+=== "Mobility " ===
+
+JSDSH does NOT work on mobile devices!
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