diff --git a/Documentation/Base.gsdoc b/Documentation/Base.gsdoc
index b33eab621..f180ad2ec 100644
--- a/Documentation/Base.gsdoc
+++ b/Documentation/Base.gsdoc
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.xml">
+<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.dtd">
 <!--
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/Documentation/BaseAdditions.gsdoc b/Documentation/BaseAdditions.gsdoc
index 7c3dfb25f..e96e9cd86 100644
--- a/Documentation/BaseAdditions.gsdoc
+++ b/Documentation/BaseAdditions.gsdoc
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.xml">
+<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.dtd">
 <!--
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/Documentation/Functions.gsdoc b/Documentation/Functions.gsdoc
index 73746bb9b..85986c988 100644
--- a/Documentation/Functions.gsdoc
+++ b/Documentation/Functions.gsdoc
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.xml">
+<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.dtd">
 <!--
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/Documentation/General/Debugging.gsdoc b/Documentation/General/Debugging.gsdoc
index 950ffab04..c2e5c10fb 100644
--- a/Documentation/General/Debugging.gsdoc
+++ b/Documentation/General/Debugging.gsdoc
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.xml">
+<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.dtd">
 <!--
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/Documentation/General/OpenStepCompliance.gsdoc b/Documentation/General/OpenStepCompliance.gsdoc
index b7d6cb0b4..6923bc44a 100644
--- a/Documentation/General/OpenStepCompliance.gsdoc
+++ b/Documentation/General/OpenStepCompliance.gsdoc
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.xml">
+<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.dtd">
 <!--
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/Documentation/ReleaseNotes.gsdoc b/Documentation/ReleaseNotes.gsdoc
index 5946e9932..efcb78edd 100644
--- a/Documentation/ReleaseNotes.gsdoc
+++ b/Documentation/ReleaseNotes.gsdoc
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.1//EN" "http://www.gnustep.org/gsdoc-1_0_1.xml">
+<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.1//EN" "http://www.gnustep.org/gsdoc-1_0_1.dtd">
 <!--
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
diff --git a/Documentation/TypesAndConstants.gsdoc b/Documentation/TypesAndConstants.gsdoc
index a99cdebd6..7f95d670f 100644
--- a/Documentation/TypesAndConstants.gsdoc
+++ b/Documentation/TypesAndConstants.gsdoc
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.xml">
+<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.3//EN" "http://www.gnustep.org/gsdoc-1_0_3.dtd">
 <!--
 Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright