diff --git a/src/play_clj/repl.clj b/src/play_clj/repl.clj
index 00d8af1..b66e3e0 100644
--- a/src/play_clj/repl.clj
+++ b/src/play_clj/repl.clj
@@ -20,26 +20,23 @@ screen map.
   "Returns the entities in `screen-object`, optionally filtered by a supplied
 function.
 
-    (e main-screen :player?)"
+    (e :player? main-screen)
+    (e texture? main-screen)"
   ([screen-object]
     (-> screen-object :entities deref))
-  ([screen-object filter-fn]
+  ([filter-fn screen-object]
     (vec (filter filter-fn (e screen-object)))))
 
 (defn e!
-  "Resets the entities in `screen-object`, or associates values to the entities
-in `screen-object` that match the supplied function. Returns the entities that
-were changed.
+  "Associates values to the entities in `screen-object` that match the supplied
+function. Returns the entities that were changed.
 
-    (e! main-screen [])
-    (e! main-screen :player? :health 10)"
-  ([screen-object new-entities]
-    (reset! (:entities screen-object) new-entities))
-  ([screen-object filter-fn & args]
-    (swap! (:entities screen-object)
-           (fn [entities]
-             (vec (for [e entities]
-                    (if (filter-fn e)
-                      (apply assoc e args)
-                      e)))))
-    (e screen-object filter-fn)))
+    (e! :player? main-screen :health 10)"
+  [filter-fn screen-object & args]
+  (swap! (:entities screen-object)
+         (fn [entities]
+           (vec (for [e entities]
+                  (if (filter-fn e)
+                    (apply assoc e args)
+                    e)))))
+  (e filter-fn screen-object))