diff --git a/sdk/src/wallet/core/mod.rs b/sdk/src/wallet/core/mod.rs
index a4bd843fa6..ae4d146c60 100644
--- a/sdk/src/wallet/core/mod.rs
+++ b/sdk/src/wallet/core/mod.rs
@@ -313,6 +313,8 @@ impl WalletData {
             .filter(|output_data| output_data.output.is_account())
     }
 
+    // Returns the first possible Account id, which can be an implicit account.
+    // If none are found, returns AccountNotFound.
     pub fn first_account_id(&self) -> Result<AccountId> {
         self.accounts()
             .next()