Fixed documentation of `-last-item'.

README.md

@@ -1136,7 +1136,7 @@ Returns the first item of `list`, or nil on an empty list.
 
 #### -last-item `(list)`
 
-Returns the first item of `list`, or nil on an empty list.
+Returns the last item of `list`, or nil on an empty list.
 
 ```cl
 (-last-item '(1 2 3)) ;; => 3

dash.el

@@ -337,7 +337,7 @@ To get the first item in the list no questions asked, use `car'."
   "Returns the first item of LIST, or nil on an empty list.")
 
 (defun -last-item (list)
-  "Returns the first item of LIST, or nil on an empty list."
+  "Returns the last item of LIST, or nil on an empty list."
   (car (last list)))
 
 (defmacro --count (pred list)