doc: clarify meaning of stat's mtime and ctime formats

* src/stat.c (usage): s/modification time/data modification time/;
s/change time/status change time/
* doc/coreutils.texi: Ditto.

2 files changed, 8 insertions, 8 deletions

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 6c49385e1..b21a4fd83 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -11829,10 +11829,10 @@ The valid @var{format} directives for files with @option{--format} and
 @item %W - Time of file birth as seconds since Epoch, or @samp{0}
 @item %x - Time of last access
 @item %X - Time of last access as seconds since Epoch
-@item %y - Time of last modification
-@item %Y - Time of last modification as seconds since Epoch
-@item %z - Time of last change
-@item %Z - Time of last change as seconds since Epoch
+@item %y - Time of last data modification
+@item %Y - Time of last data modification as seconds since Epoch
+@item %z - Time of last status change
+@item %Z - Time of last status change as seconds since Epoch
 @end itemize
 
 The @samp{%t} and @samp{%T} formats operate on the st_rdev member of
diff --git a/src/stat.c b/src/stat.c
index fffebe3b6..7d43eb555 100644
--- a/src/stat.c
+++ b/src/stat.c
@@ -1457,10 +1457,10 @@ The valid format sequences for files (without --file-system):\n\
   %W   time of file birth, seconds since Epoch; 0 if unknown\n\
   %x   time of last access, human-readable\n\
   %X   time of last access, seconds since Epoch\n\
-  %y   time of last modification, human-readable\n\
-  %Y   time of last modification, seconds since Epoch\n\
-  %z   time of last change, human-readable\n\
-  %Z   time of last change, seconds since Epoch\n\
+  %y   time of last data modification, human-readable\n\
+  %Y   time of last data modification, seconds since Epoch\n\
+  %z   time of last status change, human-readable\n\
+  %Z   time of last status change, seconds since Epoch\n\
 \n\
 "), stdout);