diff --git a/doc/src/sgml/ref/clusterdb.sgml b/doc/src/sgml/ref/clusterdb.sgml
index d3145318b36..37271f9c9d0 100644
--- a/doc/src/sgml/ref/clusterdb.sgml
+++ b/doc/src/sgml/ref/clusterdb.sgml
@@ -248,7 +248,7 @@ PostgreSQL documentation
       <term><option>--maintenance-db=<replaceable class="parameter">dbname</replaceable></option></term>
       <listitem>
        <para>
-        Specifies the name of the database to connect to to discover which
+        Specifies the name of the database to connect to discover which
         databases should be clustered,
         when <option>-a</option>/<option>--all</option> is used.
         If not specified, the <literal>postgres</literal> database will be used,
diff --git a/doc/src/sgml/ref/reindexdb.sgml b/doc/src/sgml/ref/reindexdb.sgml
index 98c3333228f..e0407b2bcd5 100644
--- a/doc/src/sgml/ref/reindexdb.sgml
+++ b/doc/src/sgml/ref/reindexdb.sgml
@@ -352,7 +352,7 @@ PostgreSQL documentation
       <term><option>--maintenance-db=<replaceable class="parameter">dbname</replaceable></option></term>
       <listitem>
        <para>
-        Specifies the name of the database to connect to to discover which
+        Specifies the name of the database to connect to discover which
         databases should be reindexed,
         when <option>-a</option>/<option>--all</option> is used.
         If not specified, the <literal>postgres</literal> database will be used,
diff --git a/doc/src/sgml/ref/vacuumdb.sgml b/doc/src/sgml/ref/vacuumdb.sgml
index d102f9d4840..b279b4aa4d4 100644
--- a/doc/src/sgml/ref/vacuumdb.sgml
+++ b/doc/src/sgml/ref/vacuumdb.sgml
@@ -560,7 +560,7 @@ PostgreSQL documentation
       <term><option>--maintenance-db=<replaceable class="parameter">dbname</replaceable></option></term>
       <listitem>
        <para>
-        Specifies the name of the database to connect to to discover which
+        Specifies the name of the database to connect to discover which
         databases should be vacuumed,
         when <option>-a</option>/<option>--all</option> is used.
         If not specified, the <literal>postgres</literal> database will be used,