diff --git a/doc/src/sgml/textsearch.sgml b/doc/src/sgml/textsearch.sgml
index 196558b4404..3f00ae3bd95 100644
--- a/doc/src/sgml/textsearch.sgml
+++ b/doc/src/sgml/textsearch.sgml
@@ -3915,7 +3915,7 @@ Parser: "pg_catalog.default"
    text search features are:
    <itemizedlist  spacing="compact" mark="bullet">
     <listitem>
-     <para>The length of each lexeme must be less than 2K bytes</para>
+     <para>The length of each lexeme must be less than 2 kilobytes</para>
     </listitem>
     <listitem>
      <para>The length of a <type>tsvector</type> (lexemes + positions) must be