meson.build: Minor doc fix.
diff --git a/meson.build b/meson.build
index 13142bc..887975f 100644
--- a/meson.build
+++ b/meson.build
@@ -31,8 +31,9 @@
)
-# Apparently meson doesn't provide a `read_file` function, so instead
-# running an external command is required.
+# Only meson >= 0.57 can read a file and assign its contents to a
+# variable; we thus use an external command to have this functionality
+# with older versions, too.
python = import('python')
python_exe = python.find_installation(required: true)
