diff --git a/common/rfb/CapsContainer.cxx b/common/rfb/CapsContainer.cxx
index 2eb91f6..cea5f3a 100644
--- a/common/rfb/CapsContainer.cxx
+++ b/common/rfb/CapsContainer.cxx
@@ -16,6 +16,11 @@
  * USA.
  */
 
+//
+// CapsContainer class implementation.
+// FIXME: Extend the comment.
+//
+
 #include <rfb/CapsContainer.h>
 
 using namespace rfb;