diff --git a/site/docs/skylark/aspects.md b/site/docs/skylark/aspects.md
index 80f8f46..a94ad4e 100644
--- a/site/docs/skylark/aspects.md
+++ b/site/docs/skylark/aspects.md
@@ -80,7 +80,7 @@
     if hasattr(ctx.rule.attr, 'srcs'):
         # Iterate through the files that make up the sources and
         # print their paths.
-        for src in ctx.rule.attr.srcs.to_list():
+        for src in ctx.rule.attr.srcs:
             for f in src.files.to_list():
                 print(f.path)
     return []