diff --git a/substrate/core/client/src/block_builder/block_builder.rs b/substrate/core/client/src/block_builder/block_builder.rs
index 4d40bed9b0..995b303699 100644
--- a/substrate/core/client/src/block_builder/block_builder.rs
+++ b/substrate/core/client/src/block_builder/block_builder.rs
@@ -52,7 +52,7 @@ where
 	/// particular block's ID to build upon with optional proof recording enabled.
 	///
 	/// While proof recording is enabled, all accessed trie nodes are saved.
-	/// These recorded trie nodes can be used by a third party to proof the
+	/// These recorded trie nodes can be used by a third party to prove the
 	/// output of this block builder without having access to the full storage.
 	pub fn at_block(
 		block_id: &BlockId<Block>,