update documentation (#14)

Author: hlatourette

include/templatelib/fortytwo.h

@@ -5,10 +5,15 @@
 
 namespace templatelib {
     /**
-     * Answer the ultimate question
+     * @brief Answer the ultimate question
      *
-     * @param question the ultimate question
-     * @return the answer to the ultimate question
+     * The fundamental question that, when answered, would reveal the 
+     * meaning of life, the universe, and everything. Deep Thought, the 
+     * supercomputer, provides the answer "42", but it never reveals the 
+     * question.
+     *
+     * @param question The ultimate question
+     * @return The answer to the ultimate question
      */
     int meaningOfLifeTheUniverseAndEverything(const std::string& question);
 } // close namespace templatelib