diff --git a/doc/src/sgml/pgoverexplain.sgml b/doc/src/sgml/pgoverexplain.sgml
index 21930fbd3bd..0e89cd1abd2 100644
--- a/doc/src/sgml/pgoverexplain.sgml
+++ b/doc/src/sgml/pgoverexplain.sgml
@@ -8,7 +8,7 @@
  </indexterm>
 
  <para>
-  The <filename>pg_overexplain</filename> extends <command>EXPLAIN</command>
+  <filename>pg_overexplain</filename> extends <command>EXPLAIN</command>
   with new options that provide additional output. It is mostly intended to
   assist with debugging of and development of the planner, rather than for
   general use. Since this module displays internal details of planner data