diff --git a/doc/src/sgml/ref/pg_checksums.sgml b/doc/src/sgml/ref/pg_checksums.sgml
index 1dd4e54ff1..c84bc5c5b2 100644
--- a/doc/src/sgml/ref/pg_checksums.sgml
+++ b/doc/src/sgml/ref/pg_checksums.sgml
@@ -28,7 +28,7 @@ PostgreSQL documentation
      <arg choice="plain"><option>-D</option></arg>
      <arg choice="plain"><option>--pgdata</option></arg>
     </group>
-    <replaceable class="parameter"> datadir</replaceable>
+    <replaceable class="parameter">datadir</replaceable>
    </group>
   </cmdsynopsis>
  </refsynopsisdiv>
diff --git a/doc/src/sgml/ref/pg_controldata.sgml b/doc/src/sgml/ref/pg_controldata.sgml
index 1f61411135..b47fdca9df 100644
--- a/doc/src/sgml/ref/pg_controldata.sgml
+++ b/doc/src/sgml/ref/pg_controldata.sgml
@@ -28,7 +28,7 @@ PostgreSQL documentation
      <arg choice="plain"><option>-D</option></arg>
      <arg choice="plain"><option>--pgdata</option></arg>
     </group>
-    <replaceable class="parameter"> datadir</replaceable>
+    <replaceable class="parameter">datadir</replaceable>
    </group>
   </cmdsynopsis>
  </refsynopsisdiv>
diff --git a/doc/src/sgml/ref/pg_resetwal.sgml b/doc/src/sgml/ref/pg_resetwal.sgml
index 338ec6b8e4..b3b750e722 100644
--- a/doc/src/sgml/ref/pg_resetwal.sgml
+++ b/doc/src/sgml/ref/pg_resetwal.sgml
@@ -36,7 +36,7 @@ PostgreSQL documentation
      <arg choice="plain"><option>-D</option></arg>
      <arg choice="plain"><option>--pgdata</option></arg>
     </group>
-    <replaceable class="parameter"> datadir</replaceable>
+    <replaceable class="parameter">datadir</replaceable>
    </group>
   </cmdsynopsis>
  </refsynopsisdiv>