diff --git a/lightning/src/util/ser.rs b/lightning/src/util/ser.rs
index 1c08e8abff9..fc795f9dd67 100644
--- a/lightning/src/util/ser.rs
+++ b/lightning/src/util/ser.rs
@@ -268,7 +268,7 @@ impl<T: Readable> Readable for OptionDeserWrapper<T> {
 }
 /// When handling default_values, we want to map the default-value T directly
 /// to a OptionDeserWrapper<T> in a way that works for `field: T = t;` as
-/// well. Thus, we use assume `Into<T> for T` does nothing and use that.
+/// well. Thus, we assume `Into<T> for T` does nothing and use that.
 impl<T: Readable> From<T> for OptionDeserWrapper<T> {
 	fn from(t: T) -> OptionDeserWrapper<T> { OptionDeserWrapper(Some(t)) }
 }