diff --git a/INSTALL.txt b/INSTALL.txt
index 79911aaa4..cff9825f2 100644
--- a/INSTALL.txt
+++ b/INSTALL.txt
@@ -45,7 +45,7 @@ Compiling:
    1.2.11 you will need to disable MikMod support, from SDL_mixer.make, otherwise use SDL_mixer 1.2.8.
    For any sources to compile, they will need to be made into text files using a typecode changing program,
    if they were downloaded outside of Mac OS 9 (including Mac OS X). This will also need to be done after any
-   Terminal command (diff, svn update etc) edits the source files.
+   Terminal command (diff, svn update etc) edits the source files. THIS MAKEFILE IS GROSSLY OUT OF DATE!!
 
    Note that there are ready-to-go packages on http://www.dxx-rebirth.com   
 
@@ -70,7 +70,7 @@ Needed files:
    descent.pig
 
    For the Mac CD-ROM, download The Unarchiver (http://wakaba.c3.cx/s/apps/unarchiver.html) and drag the
-   installer program onto it. Alternatively, for Mac OS 9 or earlier simply run the installer.
+   installer program onto it. Alternatively, run the installer on a computer with Mac OS 9 and copy over.
 
    Of course you can also use the Shareware game content with D1X-Rebirth which you can find here:
    http://www.dxx-rebirth.com/game-content/
@@ -124,12 +124,12 @@ Optional files:
 
    Custom Music (MP3, OGG, AIF, etc.):
    -----------------------------------
-   Custom Music can be played via the CUSTOM MUSIC options by specifying it in the Sound Options menu.
+   Custom Music can be played via the JUKEBOX options by specifying it in the Sound Options menu.
    Please note that all custom music has to be in 44Khz format. Supported formats depend on the capabilities of SDL_mixer.
 
    AddOn Packs:
    ------------
-   Custom AddOn packs will expand the game in many differnt ways. These are usually provided as ZIP or 7Z and can easily
+   Custom AddOn packs will expand the game in many different ways. These are usually provided as ZIP or 7Z and can easily
    be installed by putting them to where your game content resides (OS-dependent - see above).
    NO EXTRACTION OR ADDITIONAL CONFIGURATION NEEDED.
    You can find all official AddOns here:
diff --git a/README.txt b/README.txt
index f70a4b662..2ae99a4f0 100644
--- a/README.txt
+++ b/README.txt
@@ -23,7 +23,7 @@ http://www.dxx-rebirth.com
 
    For example:
    * Plays Descent and Descent 2 and all their AddOns and third-party levels.
-   * DXX-Rebirth runs on your favourite Operating System. We officially support Linux (and other *NIX), Mac OS (9/X) and Windows (2000, XP, Vista, 7). Still the code can be compiled on many other systems as well.
+   * DXX-Rebirth runs on your favourite Operating System. We officially support Linux (and other *NIX), Mac OS X 10.4+ and Windows (2000, XP, Vista, 7). Still the code can be compiled on many other systems as well.
    * OpenGL provides a fast and smooth rendering - even on low-end systems.
    * Optionally you can enbale several effects like Transparency, Colored lighting, Texture Filtering, FSAA, etc.
    * Thanks to SDL, a wide palette of Joysticks are supported. Also you can use more Joysticks, buttons and axes than you can ever operate in your state of evolution.