1 files changed, 1 insertions, 1 deletions
diff --git a/file.c b/file.c
index 9539ea937a..70afb0ded5 100644
--- a/file.c
+++ b/file.c
@@ -892,7 +892,7 @@ rb_stat_ctime(VALUE self)
  *     stat.birthtime  ->  aTime
  *
  *  Returns the birth time for <i>stat</i>.
- *  If the platform doesn't have birthtime, returns <i>ctime</i>.
+ *  If the platform doesn't have birthtime, raises NotImplementedError.
  *
  *     File.write("testfile", "foo")
  *     sleep 10