diff --git a/.travis.yml b/.travis.yml
index 7a43c0d..82c3918 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,8 @@ env:
 
 matrix:
   include:
-    # We use the 64-bit optimised curve backend by default, so also test with the 32-bit backend:
+    # We use the 64-bit optimised curve backend by default, so also test with
+    # the 32-bit backend (this also exercises testing with `no_std`):
     - rust: nightly
       env: TEST_COMMAND=build FEATURES='--no-default-features --features=u32_backend'
     # Test any nightly gated features on nightly: