diff --git a/doc/us/manual.html b/doc/us/manual.html
index ec391dc..281c06e 100644
--- a/doc/us/manual.html
+++ b/doc/us/manual.html
@@ -94,7 +94,9 @@ LuaFileSystem offers the following functions:
lfs.attributes(filepath).aname, but the table is not created
and only one attribute is retrieved from the O.S.).
The attributes are described as follows;
- attribute mode is a string, all the others are numbers:
+ attribute mode is a string, all the others are numbers,
+ and the time related attributes use the same time reference of
+ os.time:
dev