diff --git a/Modules/Core/Common/include/otbStringToHTML.h b/Modules/Core/Common/include/otbStringToHTML.h
index 3eab95fd21c4210ab3f6317deb8eaa45bf97f100..9fc71c2742817e7addf4760eba6e7d454f97983e 100644
--- a/Modules/Core/Common/include/otbStringToHTML.h
+++ b/Modules/Core/Common/include/otbStringToHTML.h
@@ -34,6 +34,8 @@ namespace otb
  *
  * Prepare a plain string for HTML encapsulation (protection of special
  * characters)
+ *
+ * \ingroup OTBCommon
  */
 class OTBCommon_EXPORT StringToHTML
 {