diff --git a/primitives/src/traits/hybrid_router_amm_api.rs b/primitives/src/traits/hybrid_router_amm_api.rs
index 0320ffd7f..79df5f950 100644
--- a/primitives/src/traits/hybrid_router_amm_api.rs
+++ b/primitives/src/traits/hybrid_router_amm_api.rs
@@ -86,7 +86,7 @@ pub trait HybridRouterAmmApi {
     ///
     /// # Returns
     ///
-    /// Returns `Ok(())` if the buy is successful, or an error if the buy fails.
+    /// Returns information about the buy trade made.
     fn buy(
         who: Self::AccountId,
         market_id: Self::MarketId,
@@ -126,7 +126,7 @@ pub trait HybridRouterAmmApi {
     ///
     /// # Returns
     ///
-    /// Returns `Ok(())` if the sell is successful, or an error if the sell fails.
+    /// Returns information about the sell trade made.
     fn sell(
         who: Self::AccountId,
         market_id: Self::MarketId,