Apply suggestions from code review

Co-authored-by: Taj Pereira <taj@canva.com>
diff --git a/sparse_strips/vello_hybrid/src/render/webgl.rs b/sparse_strips/vello_hybrid/src/render/webgl.rs
index a6cf398..8958d0f 100644
--- a/sparse_strips/vello_hybrid/src/render/webgl.rs
+++ b/sparse_strips/vello_hybrid/src/render/webgl.rs
@@ -1561,7 +1561,7 @@
         )
         .unwrap();
 
-        // Restore the luts back to the cache
+        // Restore the luts back to the cache.
         luts.truncate(old_luts_len);
         gradient_cache.restore_luts(luts);
     }