diff --git a/capnp/src/introspect.rs b/capnp/src/introspect.rs
index c6ba7a82e..00ba6fc19 100644
--- a/capnp/src/introspect.rs
+++ b/capnp/src/introspect.rs
@@ -214,7 +214,7 @@ pub struct RawStructSchema {
     /// Map from discriminant value to field index.
     pub members_by_discriminant: &'static [u16],
 
-    // Sorted array of field names with matching field index.
+    /// Indices of fields, sorted by their respective names.
     pub members_by_name: &'static [u16],
 }