comment fix

Author: andrei-marinica

elrond-wasm/src/types/io/multi_args_vec.rs

@@ -12,7 +12,7 @@ use elrond_codec::TopDecodeInput;
 pub struct MultiArgVec<T>(pub Vec<T>);
 
 /// Used for taking a variable number of arguments in an endpoint,
-/// it is synonymous with `MultiResult`.
+/// it is synonymous with `MultiResultVec`/`MultiArgVec`.
 pub type VarArgs<T> = MultiArgVec<T>;
 
 /// Used for returning a variable number of results from an endpoint,

elrond-wasm/src/types/io/optional_arg.rs

@@ -5,7 +5,8 @@ use crate::{api::EndpointFinishApi, EndpointResult};
 use alloc::string::String;
 use elrond_codec::TopDecodeInput;
 
-/// A smart contract  or result that can be missing.
+/// A smart contract argument or result that can be missing.
+///
 /// If arguments stop before this argument, None will be returned.
 /// As an endpoint result, the contract decides if it produces it or not.
 ///