Update web.html

web/web.html

@@ -667,7 +667,7 @@ General-Purpose programming language.
 
 Dynamically typed (like python).  
 Curly brackets to designate blocks of code (like C#, Java).  
-Prototype-based inheritance (like ???).
+Prototype-based inheritance (like Lua; rarely used concept).
 
 In browsers, has access to DOM (representation of HTML).  
 Can rewrite the content of the page!