diff --git a/doc/src/sgml/release-10.sgml b/doc/src/sgml/release-10.sgml
index 4019e695686..a92bc380d88 100644
--- a/doc/src/sgml/release-10.sgml
+++ b/doc/src/sgml/release-10.sgml
@@ -508,7 +508,7 @@ Branch: REL9_5_STABLE [69a568636] 2018-09-26 10:30:38 +0900
 -->
      <para>
       Fix handling of commit-timestamp tracking during recovery
-      (Masahiko Sawasa, Michael Paquier)
+      (Masahiko Sawada, Michael Paquier)
      </para>
 
      <para>
diff --git a/doc/src/sgml/release-9.5.sgml b/doc/src/sgml/release-9.5.sgml
index 712d12711ca..3a44c1fb54a 100644
--- a/doc/src/sgml/release-9.5.sgml
+++ b/doc/src/sgml/release-9.5.sgml
@@ -239,7 +239,7 @@
     <listitem>
      <para>
       Fix handling of commit-timestamp tracking during recovery
-      (Masahiko Sawasa, Michael Paquier)
+      (Masahiko Sawada, Michael Paquier)
      </para>
 
      <para>
diff --git a/doc/src/sgml/release-9.6.sgml b/doc/src/sgml/release-9.6.sgml
index e5a5a1b83e2..5c5e6778bc7 100644
--- a/doc/src/sgml/release-9.6.sgml
+++ b/doc/src/sgml/release-9.6.sgml
@@ -261,7 +261,7 @@
     <listitem>
      <para>
       Fix handling of commit-timestamp tracking during recovery
-      (Masahiko Sawasa, Michael Paquier)
+      (Masahiko Sawada, Michael Paquier)
      </para>
 
      <para>