Remove mentionings of DOS.
diff --git a/Doc/api/init.tex b/Doc/api/init.tex
index 712ca54..ba16b3c 100644
--- a/Doc/api/init.tex
+++ b/Doc/api/init.tex
@@ -233,7 +233,7 @@
environment variables. The returned string consists of a series of
directory names separated by a platform dependent delimiter
character. The delimiter character is \character{:} on \UNIX,
- \character{;} on DOS/Windows, and \character{\e n} (the \ASCII{}
+ \character{;} on Windows, and \character{\e n} (the \ASCII{}
newline character) on Macintosh. The returned string points into
static storage; the caller should not modify its value. The value
is available to Python code as the list