diff --git a/kunnasta/src/os2.rs b/kunnasta/src/os2.rs
index 46de200f9..ddeed2426 100644
--- a/kunnasta/src/os2.rs
+++ b/kunnasta/src/os2.rs
@@ -1,6 +1,10 @@
-// unicode range array generated from the ot spec:
-// (https://docs.microsoft.com/en-us/typography/opentype/spec/os2#ur).
-// sorted by range start codepoints
+//! OS/2 table constants
+
+/// OS/2 Unicode ranges
+///
+/// Unicode range array generated from the ot spec:
+/// (https://docs.microsoft.com/en-us/typography/opentype/spec/os2#ur).
+/// sorted by range start codepoints
 pub static UNICODE_RANGES: [(u32, u32, u8); 169] = [
     (0x0, 0x7F, 0),           // Basic Latin
     (0x80, 0xFF, 1),          // Latin-1 Supplement
diff --git a/kunnasta/src/panose.rs b/kunnasta/src/panose.rs
index 84c88d9d7..a667f541f 100644
--- a/kunnasta/src/panose.rs
+++ b/kunnasta/src/panose.rs
@@ -1,3 +1,6 @@
+//! Panose Classification settings
+//!
+//! See the [PANOSE Classification Metrics Guide](https://monotype.github.io/panose/pan1.html)
 use num_enum::IntoPrimitive;
 
 #[derive(IntoPrimitive)]