diff --git a/readme.txt b/readme.txt
--- a/readme.txt
+++ b/readme.txt
@@ -674,46 +674,47 @@ http://homer.rice.edu/~sandmann/cwsdpmi/
 X.X) Credits
 ---- -------
 The OpenTTD team (in alphabetical order):
-  Albert Hofkamp (Alberth)        - GUI expert
-  Jean-François Claeys (Belugas)  - GUI, newindustries and more
-  Matthijs Kooijman (blathijs)    - Pathfinder-guru, pool rework
-  Ulf Hermann (fonsinchen)        - Cargo Distribution
-  Christoph Elsenhans (frosch)    - General coding
-  Loïc Guilloux (glx)             - Windows Expert
-  Michael Lutz (michi_cc)         - Path based signals
-  Owen Rudge (orudge)             - Forum host, OS/2 port
-  Peter Nelson (peter1138)        - Spiritual descendant from newGRF gods
-  Ingo von Borstel (planetmaker)  - Support
-  Remko Bijker (Rubidium)         - Lead coder and way more
-  Zdeněk Sojka (SmatZ)            - Bug finder and fixer
-  José Soler (Terkhen)            - General coding
-  Thijs Marinussen (Yexo)         - AI Framework
-  Leif Linse (Zuu)                - AI/Game Script
+  Albert Hofkamp (Alberth)        - GUI expert (since 0.7)
+  Matthijs Kooijman (blathijs)    - Pathfinder-guru, Debian port (since 0.3)
+  Ulf Hermann (fonsinchen)        - Cargo Distribution (since 1.3)
+  Christoph Elsenhans (frosch)    - General coding (since 0.6)
+  Loïc Guilloux (glx)             - Windows Expert (since 0.4.5)
+  Michael Lutz (michi_cc)         - Path based signals (since 0.7)
+  Owen Rudge (orudge)             - Forum host, OS/2 port (since 0.1)
+  Peter Nelson (peter1138)        - Spiritual descendant from newGRF gods (since 0.4.5)
+  Ingo von Borstel (planetmaker)  - General coding, Support (since 1.1)
+  Remko Bijker (Rubidium)         - Lead coder and way more (since 0.4.5)
+  José Soler (Terkhen)            - General coding (since 1.0)
+  Leif Linse (Zuu)                - AI/Game Script (since 1.2)
 
 Inactive Developers:
-  Bjarni Corfitzen (Bjarni)       - MacOSX port, coder and vehicles
-  Victor Fischer (Celestar)       - Programming everywhere you need him to
-  Tamás Faragó (Darkvater)        - Ex-Lead coder
-  Jaroslav Mazanec (KUDr)         - YAPG (Yet Another Pathfinder God) ;)
-  Jonathan Coome (Maedhros)       - High priest of the NewGRF Temple
-  Attila Bán (MiHaMiX)            - WebTranslator 1 and 2
-  Christoph Mallon (Tron)         - Programmer, code correctness police
+  Jean-François Claeys (Belugas)  - GUI, newindustries and more (0.4.5 - 1.0)
+  Bjarni Corfitzen (Bjarni)       - MacOSX port, coder and vehicles (0.3 - 0.7)
+  Victor Fischer (Celestar)       - Programming everywhere you need him to (0.3 - 0.6)
+  Jaroslav Mazanec (KUDr)         - YAPG (Yet Another Pathfinder God) ;) (0.4.5 - 0.6)
+  Jonathan Coome (Maedhros)       - High priest of the NewGRF Temple (0.5 - 0.6)
+  Attila Bán (MiHaMiX)            - WebTranslator 1 and 2 (0.3 - 0.5)
+  Zdeněk Sojka (SmatZ)            - Bug finder and fixer (0.6 - 1.3)
+  Christoph Mallon (Tron)         - Programmer, code correctness police (0.3 - 0.5)
+  Patric Stout (TrueBrain)        - NoProgrammer (0.3 - 1.2), sys op (active)
+  Thijs Marinussen (Yexo)         - AI Framework, General (0.6 - 1.3)
 
 Retired Developers:
-  Ludvig Strigeus (ludde)         - OpenTTD author, main coder (0.1 - 0.3.3)
-  Serge Paquet (vurlix)           - Assistant project manager, coder (0.1 - 0.3.3)
-  Dominik Scherer (dominik81)     - Lead programmer, GUI expert (0.3.0 - 0.3.6)
-  Benedikt Brüggemeier (skidd13)  - Bug fixer and code reworker
-  Patric Stout (TrueBrain)        - NoProgrammer (0.3 - 1.2), sys op (active)
+  Tamás Faragó (Darkvater)        - Ex-Lead coder (0.3 - 0.5)
+  Dominik Scherer (dominik81)     - Lead programmer, GUI expert (0.3 - 0.3)
+  Emil Djupfeld (egladil)         - MacOSX port (0.4 - 0.6)
+  Simon Sasburg (HackyKid)        - Bug fixer (0.4 - 0.4.5)
+  Ludvig Strigeus (ludde)         - Original author of OpenTTD, main coder (0.1 - 0.3)
+  Cian Duffy (MYOB)               - BeOS port / manual writing (0.1 - 0.3)
+  Petr Baudiš (pasky)             - Many patches, newgrf support, etc. (0.3 - 0.3)
+  Benedikt Brüggemeier (skidd13)  - Bug fixer and code reworker (0.6 - 0.7)
+  Serge Paquet (vurlix)           - 2nd contributor after ludde (0.1 - 0.3)
 
 Thanks to:
   Josef Drexler                   - For his great work on TTDPatch.
   Marcin Grzegorczyk              - For his TTDPatch work and documentation of Transport Tycoon Deluxe internals and track foundations
-  Petr Baudiš (pasky)             - Many patches, newgrf support, etc.
-  Simon Sasburg (HackyKid)        - For the many bugfixes he has blessed us with
   Stefan Meißner (sign_de)        - For his work on the console
   Mike Ragsdale                   - OpenTTD installer
-  Cian Duffy (MYOB)               - BeOS port / manual writing
   Christian Rosentreter (tokai)   - MorphOS / AmigaOS port
   Richard Kempton (RichK67)       - Additional airports, initial TGP implementation
   Alberto Demichelis              - Squirrel scripting language