diff --git a/doc/src/sgml/ref/pg_basebackup.sgml b/doc/src/sgml/ref/pg_basebackup.sgml
index e993e8761c1..5754ad5aa6b 100644
--- a/doc/src/sgml/ref/pg_basebackup.sgml
+++ b/doc/src/sgml/ref/pg_basebackup.sgml
@@ -654,7 +654,7 @@ 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 87496430921..3c2f9c774f7 100644
--- a/doc/src/sgml/ref/pg_dumpall.sgml
+++ b/doc/src/sgml/ref/pg_dumpall.sgml
@@ -550,7 +550,7 @@ 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 26a66c0e19b..45b544cf498 100644
--- a/doc/src/sgml/ref/pg_receivewal.sgml
+++ b/doc/src/sgml/ref/pg_receivewal.sgml
@@ -253,7 +253,7 @@ 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>