1 files changed, 4 insertions, 0 deletions
diff --git a/docs/tags.md b/docs/tags.md
index bfca4f0e..b8322aa9 100644
--- a/docs/tags.md
+++ b/docs/tags.md
@@ -17,6 +17,10 @@ REPL, its id, `python-a`, beside the Tty word: a middle click or the execute
 key on a `.py` body then types the text into it rather than running it, and
 several bound ask which. The tag's own words, `Exec <text>` by name and a
 command word @`cmd` still run as commands (docs/fs.md).
+A tag word runs as acme's does, in the pane's directory with no file named:
+`wc` alone waits on its stdin. pardes has no `$%` for the pane's file; name
+it (`wc notes.txt`), or select the name and middle-click `wc`, which takes a
+held selection as its argument.
 Pane and column command text leave a small gap after their aligned drag grips.
 GUI pane mode symbols are centered by their visible ink; changing the font or
 its size refreshes the cached measurements.