diff --git a/doc/src/sgml/ref/pg_basebackup.sgml b/doc/src/sgml/ref/pg_basebackup.sgml
index d838fe0bd13..2b7443b93fd 100644
--- a/doc/src/sgml/ref/pg_basebackup.sgml
+++ b/doc/src/sgml/ref/pg_basebackup.sgml
@@ -516,7 +516,7 @@ PostgreSQL documentation
       <listitem>
        <para>
         Specifies parameters used to connect to the server, as a <link
-        linkend="libpq-connstring">connction string</link>;  these
+        linkend="libpq-connstring">connection string</link>;  these
         will override any conflicting command line options.
        </para>
        <para>
diff --git a/doc/src/sgml/ref/pg_dumpall.sgml b/doc/src/sgml/ref/pg_dumpall.sgml
index 00bf5e6739a..9c83a648200 100644
--- a/doc/src/sgml/ref/pg_dumpall.sgml
+++ b/doc/src/sgml/ref/pg_dumpall.sgml
@@ -468,7 +468,7 @@ PostgreSQL documentation
       <listitem>
        <para>
         Specifies parameters used to connect to the server, as a <link
-        linkend="libpq-connstring">connction string</link>;  these
+        linkend="libpq-connstring">connection string</link>;  these
         will override any conflicting command line options.
        </para>
        <para>
diff --git a/doc/src/sgml/ref/pg_receivewal.sgml b/doc/src/sgml/ref/pg_receivewal.sgml
index e2cfb1786cb..8e07aba0329 100644
--- a/doc/src/sgml/ref/pg_receivewal.sgml
+++ b/doc/src/sgml/ref/pg_receivewal.sgml
@@ -215,7 +215,7 @@ PostgreSQL documentation
       <listitem>
        <para>
         Specifies parameters used to connect to the server, as a <link
-        linkend="libpq-connstring">connction string</link>;  these
+        linkend="libpq-connstring">connection string</link>;  these
         will override any conflicting command line options.
        </para>
        <para>