diff --git a/guihtml/src/TGHtml.cxx b/guihtml/src/TGHtml.cxx
index 24ef58abcbe80a0ab48ea80887986c07d1af6401..5dea1bfcba8f1cfc53656b13523e3a5a3c975134 100755
--- a/guihtml/src/TGHtml.cxx
+++ b/guihtml/src/TGHtml.cxx
@@ -42,6 +42,12 @@
 #include "TImage.h"
 #include "TGScrollBar.h"
 
+//_____________________________________________________________________________
+//
+// TGHtml
+//
+// The ROOT HTML widget. A derivate of TGView.
+//_____________________________________________________________________________
 
 ClassImp(TGHtml)
 
diff --git a/guihtml/src/TGHtmlBrowser.cxx b/guihtml/src/TGHtmlBrowser.cxx
index ebce552707e20d18ce9e405c8a28f14ee4cd6ce7..2da39b1343e56aa6baf2e83bda3d40b1ba257bf0 100644
--- a/guihtml/src/TGHtmlBrowser.cxx
+++ b/guihtml/src/TGHtmlBrowser.cxx
@@ -33,6 +33,15 @@
 #include "TWin32SplashThread.h"
 #endif
 
+//_____________________________________________________________________________
+//
+// TGHtmlBrowser
+//
+// A very simple HTML browser.
+//_____________________________________________________________________________
+
+ClassImp(TGHtmlBrowser)
+
 enum EMyMessageTypes {
    M_FILE_OPEN,
    M_FILE_BROWSE,