diff --git a/bin/data/orig_dos.obg b/bin/data/orig_dos.obg
--- a/bin/data/orig_dos.obg
+++ b/bin/data/orig_dos.obg
@@ -59,4 +59,4 @@ OPENTTD.GRF  = fd012338722d33a311cfbaf1d
 
 [origin]
 default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
-OPENTTDD.GRF = This file was part of your OpenTTD installation.
+OPENTTD.GRF  = This file was part of your OpenTTD installation.
diff --git a/bin/data/orig_dos_de.obg b/bin/data/orig_dos_de.obg
--- a/bin/data/orig_dos_de.obg
+++ b/bin/data/orig_dos_de.obg
@@ -59,4 +59,4 @@ OPENTTD.GRF  = fd012338722d33a311cfbaf1d
 
 [origin]
 default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
-OPENTTDD.GRF = This file was part of your OpenTTD installation.
+OPENTTD.GRF  = This file was part of your OpenTTD installation.
diff --git a/bin/data/orig_win.obg b/bin/data/orig_win.obg
--- a/bin/data/orig_win.obg
+++ b/bin/data/orig_win.obg
@@ -59,4 +59,4 @@ OPENTTD.GRF  = fd012338722d33a311cfbaf1d
 
 [origin]
 default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
-OPENTTDW.GRF = This file was part of your OpenTTD installation.
+OPENTTD.GRF  = This file was part of your OpenTTD installation.