piem-inbox-by-header-match: Fix docstring reference

piem-inbox-by-header-match is used by functions like
piem-notmuch-get-inbox and piem-gnus-get-inbox, which are wired up to
piem-get-inbox-functions not piem-get-mid-functions.

1 files changed, 1 insertions, 1 deletions

diff --git a/piem.el b/piem.el
index abc87b1..a933a6c 100644
--- a/piem.el
+++ b/piem.el
@@ -492,7 +492,7 @@ non-nil, make the match specific for that message."
   "Return inbox based on matching message headers.
 This should be called from a buffer containing a message and is
 intended to be used by libraries implementing a function for
-`piem-get-mid-functions'."
+`piem-get-inbox-functions'."
   (pcase-let ((`(,listid ,to ,cc)
                (piem--message-fetch-decoded-fields '("list-id" "to" "cc"))))
     (catch 'hit