diff --git a/README.txt b/README.mkd
similarity index 100%
rename from README.txt
rename to README.mkd
diff --git a/setup.iss b/setup.iss
index a6fc437..1c8e829 100644
--- a/setup.iss
+++ b/setup.iss
@@ -40,7 +40,7 @@ Name: "english"; MessagesFile: "compiler:Default.isl"
 [Files]
 ; Files created for this project
 Source: "openscenegraph_exportviacollada.rb"; DestDir: "{app}"; Flags: ignoreversion
-Source: README.txt; DestDir: {app}; Flags: ignoreversion; DestName: SketchupToOpenSceneGraph-README.txt; 
+Source: README.mkd; DestDir: {app}; Flags: ignoreversion; DestName: SketchupToOpenSceneGraph-README.txt; 
 Source: "osgconv\fileutils.rb"; DestDir: "{app}\osgconv"; Flags: ignoreversion
 Source: "osgconv\LICENSE_1_0.txt"; DestDir: "{app}\osgconv"; Flags: ignoreversion
 Source: "osgconv\osgconv.cmd"; DestDir: "{app}\osgconv"; Flags: ignoreversion