Hi,

I attached a small fix for reftex-citation docstring.


In GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
  3.24.33, cairo version 1.16.0) of 2023-01-09 built on baruch
Repository revision: ec105a45c9f8b56ade9e76324960a726eaf24038
Repository branch: master
System Description: Ubuntu 22.04.1 LTS

Configured using:
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Configured features:
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NOTIFY INOTIFY PDUMPER PGTK PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF
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   value of $LC_NUMERIC: it_IT.UTF-8
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Load-path shadows:
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Memory information:
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-- 
Manuel Uberti
https://manueluberti.eu