Update docs for parse to discourage its use (#25)

* Update docs for `parse` to discourage its use

* Use same spelling within the same doc string

Author: maxdeviant

src/Data/JSDate.purs

@@ -148,10 +148,13 @@ foreign import jsdateLocal
 foreign import dateMethodEff :: forall a. Fn2 String JSDate (Effect a)
 foreign import dateMethod :: forall a. Fn2 String JSDate a
 
--- | Attempts to parse a date from a string. The behaviour of this function is
+-- | Attempts to parse a date from a string. The behavior of this function is
 -- | implementation specific until ES5, so may not always have the same
--- | behaviour for a given string. The RFC2822 and ISO8601 date string formats
--- | should parse consistently.
+-- | behavior for a given string. For this reason, it is **strongly** encouraged
+-- | that you avoid this function if at all possible.
+-- |
+-- | If you must use it, the RFC2822 and ISO8601 date string formats should
+-- | parse consistently.
 -- |
 -- | This function is effectful because if no time zone is specified in the
 -- | string the current locale's time zone will be used instead.