diff --git a/documentation/bsp-guide/bsp-guide.xml b/documentation/bsp-guide/bsp-guide.xml
index d08df5ebba..661016a6f6 100644
--- a/documentation/bsp-guide/bsp-guide.xml
+++ b/documentation/bsp-guide/bsp-guide.xml
@@ -135,7 +135,7 @@
             </revision>
             <revision>
                 <revnumber>2.3.4</revnumber>
-                <date>April 2018</date>
+                <date>&REL_MONTH_YEAR;</date>
                 <revremark>Released with the Yocto Project 2.3.4 Release.</revremark>
             </revision>
         </revhistory>
diff --git a/documentation/dev-manual/dev-manual.xml b/documentation/dev-manual/dev-manual.xml
index e25343b3be..969f27faab 100644
--- a/documentation/dev-manual/dev-manual.xml
+++ b/documentation/dev-manual/dev-manual.xml
@@ -113,7 +113,7 @@
             </revision>
             <revision>
                 <revnumber>2.3.4</revnumber>
-                <date>April 2018</date>
+                <date>&REL_MONTH_YEAR;</date>
                 <revremark>Released with the Yocto Project 2.3.4 Release.</revremark>
             </revision>
         </revhistory>
diff --git a/documentation/kernel-dev/kernel-dev.xml b/documentation/kernel-dev/kernel-dev.xml
index cbb4a746b7..a3f954185d 100644
--- a/documentation/kernel-dev/kernel-dev.xml
+++ b/documentation/kernel-dev/kernel-dev.xml
@@ -98,7 +98,7 @@
             </revision>
             <revision>
                 <revnumber>2.3.4</revnumber>
-                <date>April 2018</date>
+                <date>&REL_MONTH_YEAR;</date>
                 <revremark>Released with the Yocto Project 2.3.4 Release.</revremark>
             </revision>
         </revhistory>
diff --git a/documentation/mega-manual/mega-manual.xml b/documentation/mega-manual/mega-manual.xml
index 901dcf2462..fb55b622f8 100644
--- a/documentation/mega-manual/mega-manual.xml
+++ b/documentation/mega-manual/mega-manual.xml
@@ -82,7 +82,7 @@
             </revision>
             <revision>
                 <revnumber>2.3.4</revnumber>
-                <date>April 2018</date>
+                <date>&REL_MONTH_YEAR;</date>
                 <revremark>Released with the Yocto Project 2.3.4 Release.</revremark>
             </revision>
        </revhistory>
diff --git a/documentation/poky.ent b/documentation/poky.ent
index 14d67e5746..a4acb4c0ad 100644
--- a/documentation/poky.ent
+++ b/documentation/poky.ent
@@ -3,6 +3,7 @@
 <!ENTITY DISTRO_NAME_NO_CAP "pyro">
 <!ENTITY DISTRO_NAME "Pyro">
 <!ENTITY YOCTO_DOC_VERSION "2.3.4">
+<!ENTITY REL_MONTH_YEAR "May 2018">
 <!ENTITY POKYVERSION "18.0.4">
 <!ENTITY POKYVERSION_COMPRESSED "1804">
 <!ENTITY YOCTO_POKY "poky-&DISTRO_NAME_NO_CAP;-&POKYVERSION;">
diff --git a/documentation/profile-manual/profile-manual.xml b/documentation/profile-manual/profile-manual.xml
index 3aee79ef3a..5b93148c65 100644
--- a/documentation/profile-manual/profile-manual.xml
+++ b/documentation/profile-manual/profile-manual.xml
@@ -98,7 +98,7 @@
             </revision>
             <revision>
                 <revnumber>2.3.4</revnumber>
-                <date>April 2018</date>
+                <date>&REL_MONTH_YEAR;</date>
                 <revremark>Released with the Yocto Project 2.3.4 Release.</revremark>
             </revision>
         </revhistory>
diff --git a/documentation/ref-manual/ref-manual.xml b/documentation/ref-manual/ref-manual.xml
index 04825105c2..78a74c6fc2 100644
--- a/documentation/ref-manual/ref-manual.xml
+++ b/documentation/ref-manual/ref-manual.xml
@@ -129,7 +129,7 @@
             </revision>
             <revision>
                 <revnumber>2.3.4</revnumber>
-                <date>April 2018</date>
+                <date>&REL_MONTH_YEAR;</date>
                 <revremark>Released with the Yocto Project 2.3.4 Release.</revremark>
             </revision>
         </revhistory>
diff --git a/documentation/sdk-manual/sdk-manual.xml b/documentation/sdk-manual/sdk-manual.xml
index 20df2be202..da41cf975e 100644
--- a/documentation/sdk-manual/sdk-manual.xml
+++ b/documentation/sdk-manual/sdk-manual.xml
@@ -63,7 +63,7 @@
             </revision>
             <revision>
                 <revnumber>2.3.4</revnumber>
-                <date>April 2018</date>
+                <date>&REL_MONTH_YEAR;</date>
                 <revremark>Released with the Yocto Project 2.3.4 Release.</revremark>
             </revision>
        </revhistory>
diff --git a/documentation/toaster-manual/toaster-manual.xml b/documentation/toaster-manual/toaster-manual.xml
index 46b0e84669..c0d1dad8d3 100644
--- a/documentation/toaster-manual/toaster-manual.xml
+++ b/documentation/toaster-manual/toaster-manual.xml
@@ -73,7 +73,7 @@
             </revision>
             <revision>
                 <revnumber>2.3.4</revnumber>
-                <date>April 2018</date>
+                <date>&REL_MONTH_YEAR;</date>
                 <revremark>Released with the Yocto Project 2.3.4 Release.</revremark>
             </revision>
        </revhistory>