xz: Fix a comment.
diff --git a/src/xz/options.c b/src/xz/options.c
index f21a0ba..f9c7ab9 100644
--- a/src/xz/options.c
+++ b/src/xz/options.c
@@ -31,8 +31,8 @@
} option_map;
-/// Parses option=value pairs that are separated with colons, semicolons,
-/// or commas: opt=val:opt=val;opt=val,opt=val
+/// Parses option=value pairs that are separated with commas:
+/// opt=val,opt=val,opt=val
///
/// Each option is a string, that is converted to an integer using the
/// index where the option string is in the array.
