diff --git a/src/font/opentype/head.zig b/src/font/opentype/head.zig
index ff5da7eaa..e5be7a352 100644
--- a/src/font/opentype/head.zig
+++ b/src/font/opentype/head.zig
@@ -6,6 +6,8 @@ const sfnt = @import("sfnt.zig");
 ///
 /// References:
 /// - https://learn.microsoft.com/en-us/typography/opentype/spec/head
+///
+/// Field names are in camelCase to match names in spec.
 pub const Head = extern struct {
     /// Major version number of the font header table — set to 1.
     majorVersion: sfnt.uint16 align(1),
diff --git a/src/font/opentype/hhea.zig b/src/font/opentype/hhea.zig
index 8f224e1bb..300f29c7a 100644
--- a/src/font/opentype/hhea.zig
+++ b/src/font/opentype/hhea.zig
@@ -6,6 +6,8 @@ const sfnt = @import("sfnt.zig");
 ///
 /// References:
 /// - https://learn.microsoft.com/en-us/typography/opentype/spec/hhea
+///
+/// Field names are in camelCase to match names in spec.
 pub const Hhea = extern struct {
     /// Major version number of the horizontal header table — set to 1.
     majorVersion: sfnt.uint16 align(1),
diff --git a/src/font/opentype/os2.zig b/src/font/opentype/os2.zig
index 9bd57fc37..809962d45 100644
--- a/src/font/opentype/os2.zig
+++ b/src/font/opentype/os2.zig
@@ -43,6 +43,8 @@ pub const FSSelection = packed struct(sfnt.uint16) {
 ///
 /// References:
 /// - https://learn.microsoft.com/en-us/typography/opentype/spec/os2
+///
+/// Field names are in camelCase to match names in spec.
 pub const OS2v5 = extern struct {
     version: sfnt.uint16 align(1),
     xAvgCharWidth: sfnt.FWORD align(1),
@@ -198,6 +200,8 @@ pub const OS2v0 = extern struct {
 ///
 /// References:
 /// - https://learn.microsoft.com/en-us/typography/opentype/spec/os2
+///
+/// Field names are in camelCase to match names in spec.
 pub const OS2 = struct {
     /// The version number for the OS/2 table: 0x0000 to 0x0005.
     ///
diff --git a/src/font/opentype/post.zig b/src/font/opentype/post.zig
index e2c98bca1..ca0891583 100644
--- a/src/font/opentype/post.zig
+++ b/src/font/opentype/post.zig
@@ -9,6 +9,8 @@ const sfnt = @import("sfnt.zig");
 ///
 /// References:
 /// - https://learn.microsoft.com/en-us/typography/opentype/spec/post
+///
+/// Field names are in camelCase to match names in spec.
 pub const Post = extern struct {
     version: sfnt.Version16Dot16 align(1),