diff --git a/src/lib.rs b/src/lib.rs
index dbbaa6557796dfa369f10d8a05025c545c52748d..f93d491e94eecb6d6cfbf4f84cea94e8801267e1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -156,7 +156,9 @@ pub struct CosmicPrimaryCamera;
 pub struct CosmicFontConfig {
     pub fonts_dir_path: Option<PathBuf>,
     pub font_bytes: Option<Vec<&'static [u8]>>,
-    pub load_system_fonts: bool, // caution: this can be relatively slow
+    /// If [false], some characters (esspecially Unicode emojies) might not load properly
+    /// Caution: this can be relatively slow
+    pub load_system_fonts: bool,
 }
 
 impl Default for CosmicFontConfig {