doc:  Fix Tamil language mention in PG 12 docs
Reported-by: John Naylor
Discussion:
Backpatch-through: 12
@@ -2115,7 +2115,7 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
<para>
This adds stemming for Arabic, Indonesian, Irish, Lithuanian, Nepali,
- and Tami to <link linkend="textsearch">full text search</link>.
+ and Tamil to <link linkend="textsearch">full text search</link>.
</para>
</listitem>
