1 files changed, 7 insertions, 1 deletions
diff --git a/src/font_size.h b/src/font_size.h
index 2be2434..0b4b357 100644
--- a/src/font_size.h
+++ b/src/font_size.h
@@ -21,7 +21,13 @@
 #define LIBSUB_FONT_SIZE_H
 
 namespace sub {
-	
+
+/** @class FontSize
+ *  @brief A description of a font's size in one of a number of ways.
+ *
+ *  An object of this class holds a font's size in one way, and it can convert
+ *  to another on supply of the required conversion parameters.
+ */
 class FontSize
 {
 public: