diff --git a/man/ReportCard.Rd b/man/ReportCard.Rd
index 9a910a28..3e599acd 100644
--- a/man/ReportCard.Rd
+++ b/man/ReportCard.Rd
@@ -68,6 +68,13 @@ card <- ReportCard$new()
 card <- ReportCard$new()$append_table(iris)
 
 
+## ------------------------------------------------
+## Method `ReportCard$append_html`
+## ------------------------------------------------
+
+card <- ReportCard$new()$append_html(div("HTML Content"))
+
+
 ## ------------------------------------------------
 ## Method `ReportCard$append_text`
 ## ------------------------------------------------
@@ -126,6 +133,7 @@ ReportCard$new()$set_name("NAME")$get_name()
 \itemize{
 \item \href{#method-ReportCard-new}{\code{ReportCard$new()}}
 \item \href{#method-ReportCard-append_table}{\code{ReportCard$append_table()}}
+\item \href{#method-ReportCard-append_html}{\code{ReportCard$append_html()}}
 \item \href{#method-ReportCard-append_plot}{\code{ReportCard$append_plot()}}
 \item \href{#method-ReportCard-append_text}{\code{ReportCard$append_text()}}
 \item \href{#method-ReportCard-append_rcode}{\code{ReportCard$append_rcode()}}
@@ -192,6 +200,35 @@ that can be coerced into a table.}
 
 }
 
+}
+\if{html}{\out{<hr>}}
+\if{html}{\out{<a id="method-ReportCard-append_html"></a>}}
+\if{latex}{\out{\hypertarget{method-ReportCard-append_html}{}}}
+\subsection{Method \code{append_html()}}{
+Appends a html content to this \code{ReportCard}.
+\subsection{Usage}{
+\if{html}{\out{<div class="r">}}\preformatted{ReportCard$append_html(content)}\if{html}{\out{</div>}}
+}
+
+\subsection{Arguments}{
+\if{html}{\out{<div class="arguments">}}
+\describe{
+\item{\code{content}}{An object that can be rendered as a HTML content.}
+}
+\if{html}{\out{</div>}}
+}
+\subsection{Returns}{
+\code{self}, invisibly.
+}
+\subsection{Examples}{
+\if{html}{\out{<div class="r example copy">}}
+\preformatted{card <- ReportCard$new()$append_html(div("HTML Content"))
+
+}
+\if{html}{\out{</div>}}
+
+}
+
 }
 \if{html}{\out{<hr>}}
 \if{html}{\out{<a id="method-ReportCard-append_plot"></a>}}