1 files changed, 3 insertions, 1 deletions
diff --git a/man/4/acme b/man/4/acme
index 092d01dc..20b39746 100644
--- a/man/4/acme
+++ b/man/4/acme
@@ -154,7 +154,9 @@ is always appended; the file offset is ignored.
 .B ctl
 may be read to recover the five numbers as held in the
 .B index
-file, described above.
+file, described above, plus three more fields: the width of the
+window in pixels, the name of the font used in the window,
+and the width of a tab character in pixels.
 Text messages may be written to
 .B ctl
 to affect the window.