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-rw-r--r--docs/fs.md5
1 files changed, 3 insertions, 2 deletions
diff --git a/docs/fs.md b/docs/fs.md
index 9a77beee..f6516ea1 100644
--- a/docs/fs.md
+++ b/docs/fs.md
@@ -458,8 +458,9 @@ The three flag files `dirty`, `mark` and `scroll` read `0` or `1` and take
an undo point (writing `1` pushes one now), and whether a write scrolls the
pane.
-`tag` reads the whole tag as the pane shows it: the computed path, dirty
-marker or PDF page, then the text you may edit. A write appends to that text,
+`tag` reads the whole tag as the pane shows it: the computed path or PDF
+page (no mark for unsaved text: the grip shows that, and `dirty` says it),
+then the text you may edit. A write appends to that text,
newlines included, and a tag with more than one line takes a row per line on
screen; truncating `tag` clears it, as acme's `cleartag` does -- the default
words (`Del`, `Put` and the rest) with it, since they are that text until