Some more minor doc fixes.
diff --git a/include/freetype/ftcache.h b/include/freetype/ftcache.h
index 03233eb..5dedb52 100644
--- a/include/freetype/ftcache.h
+++ b/include/freetype/ftcache.h
@@ -30,13 +30,13 @@ FT_BEGIN_HEADER
/*************************************************************************
*
* @section:
- * cache_subsystem
+ * cache_subsystem
*
* @title:
- * Cache Sub-System
+ * Cache Sub-System
*
* @abstract:
- * How to cache face, size, and glyph data with FreeType~2.
+ * How to cache face, size, and glyph data with FreeType~2.
*
* @description:
* This section describes the FreeType~2 cache sub-system, which is used