Adds note about LazyAttempt method chaining

src/PhpTry/Attempt.php

@@ -198,6 +198,8 @@ abstract public function toOption();
      * Like `map`, but without caring about the return value of the callable.
      * Useful for consuming the possible value of the Attempt.
      *
+     * @param callable $callable Callable returning a value.
+     *
      * @return Attempt The current Attempt
      */
     abstract public function forAll($callable);
@@ -224,6 +226,9 @@ public static function call($callable, $arguments = array())
      *
      * The callable will only be called if a method on the Attempt is called.
      *
+     * @note Chaining should work as desired, but note that LazyAttempt methods do not return $this, but rather
+     *       return an internal Attempt object.
+     *
      * @param callable $callable
      * @param array    $arguments Optional arguments for the callable.
      *

src/PhpTry/LazyAttempt.php

@@ -4,6 +4,9 @@
 
 /**
  * Attempt that is evaluated on first access.
+ *
+ * @note Chaining should work as desired, but note that LazyAttempt methods do not return $this, but rather
+ *       return an internal Attempt object.
  */
 class LazyAttempt extends Attempt
 {