docs: update docs

Author: avilagaston9

docs/3_guides/1.2_SDK_api_reference.md

@@ -151,8 +151,7 @@ pub async fn submit_and_wait_verification(
 
 ### `submit_multiple_and_wait_verification`
 
-Submits multiple proofs to the batcher to be verified, waits for the verification on Ethereum and returns an aligned
-verification data array.
+Submits multiple proofs to the batcher for verification, waits for verification on Ethereum, and returns an array of `Result`s containing aligned verification data that indicates whether each proof was successfully submitted. If a timeout occurs while waiting for verification, an additional `Err` is appended to the end of the returned array.
 
 ```rust
 pub async fn submit_multiple_and_wait_verification(
@@ -163,7 +162,7 @@ pub async fn submit_multiple_and_wait_verification(
     wallet: Wallet<SigningKey>,
     nonce: U256,
     payment_service_addr: &str,
-) -> Result<Vec<AlignedVerificationData>, errors::SubmitError>
+) -> Vec<Result<AlignedVerificationData, errors::SubmitError>>
 ```
 
 #### Arguments