diff --git a/templates/solochain/runtime/src/lib.rs b/templates/solochain/runtime/src/lib.rs
index 42361a2ff360..f2eb49592be9 100644
--- a/templates/solochain/runtime/src/lib.rs
+++ b/templates/solochain/runtime/src/lib.rs
@@ -146,7 +146,7 @@ pub type SignedBlock = generic::SignedBlock<Block>;
 /// BlockId type as expected by this runtime.
 pub type BlockId = generic::BlockId<Block>;
 
-/// The `TransactionExtension`` to the basic transaction logic.
+/// The `TransactionExtension` to the basic transaction logic.
 pub type TxExtension = (
 	frame_system::CheckNonZeroSender<Runtime>,
 	frame_system::CheckSpecVersion<Runtime>,