diff --git a/src/glyph_cache.rs b/src/glyph_cache.rs
index b2b9d1a..1a574ad 100644
--- a/src/glyph_cache.rs
+++ b/src/glyph_cache.rs
@@ -7,7 +7,7 @@ bitflags::bitflags! {
     pub struct CacheKeyFlags: u32 {
         /// Skew by 14 degrees to synthesize italic
         const FAKE_ITALIC = 1;
-        // Disable hinting
+        /// Disable hinting
         const DISABLE_HINTING = 2;
     }
 }