Merge pull request #1063 from rodrigosantiag/issue-1062

Update Modules -> Multiple Function Clauses arity explanation

reading/modules.livemd

@@ -482,7 +482,7 @@ MultipleFunctionClauses.my_function(1)
 
 Each function clause has a different **arity**. We can treat each function with a different arity as a completely separate function. In Elixir, we often refer to functions by their name and arity.
 
-So above we define `MultipleFunctionClauses.find_arity/1`, `MultipleFunctionClauses.find_arity/2`, and `MultipleFunctionClauses.find_arity/3` functions.
+So above we define `MultipleFunctionClauses.my_function/0`, `MultipleFunctionClauses.my_function/1`, and `MultipleFunctionClauses.my_function/2` functions.
 
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