Update debug docs

src/re_com/validate.clj

@@ -1,8 +1,7 @@
 (ns re-com.validate)
 
 (defmacro validate-args-macro
-  "if goog.DEBUG is true then validate the args, otherwise replace the validation code with true
-  for production builds which the {:pre ...} will be happy with"
+  "if goog.DEBUG is true then validate the args, otherwise replace the validation code with nil"
   [args-desc args]
   `(if-not ~(vary-meta 'js/goog.DEBUG assoc :tag 'boolean)
      nil

src/re_demo/debug.cljs

@@ -98,9 +98,9 @@
                " The two should be combined like this:"]
               [:pre
                "[button\n  :src   (at)    ;; <-- note\n  :label \"click me\"\n  ...]"]
-              [p "To use it, your " [:code "ns"] " will need to  " [:code ":require-macros"] " it as follows:"]
+              [p "To use it, your " [:code "ns"] " will need to  " [:code ":require"] " it as follows:"]
               [:pre
-               "(ns my.app\n  (:require-macros\n    [re-com.core :refer [at]])  ;; <-- note\n  (:require\n    [re-com.core :refer [h-box v-box ...]])"]
+               "(ns my.app\n  (:require\n    [re-com.core :refer [at h-box v-box ...]])) ;; <-- note 'at'"]
               [p "But wait, you get more. "]
               [p "When " [:code ":src"] " is provided, re-com will add a \"data\" attribute to the DOM "
                "node representing a component. This attribute, called " [:code "data-rc-src"] ",  will contain any source code coordinates provided. "]