update documentation
diff --git a/man/row_spec.Rd b/man/row_spec.Rd
index a344479..e31ba67 100644
--- a/man/row_spec.Rd
+++ b/man/row_spec.Rd
@@ -21,6 +21,12 @@
 
 \item{monospace}{A T/F value to control whether the text of the selected column
 need to be monospaced (verbatim)}
+
+\item{color}{A character string for column text color. Here please pay
+attention to the differences in color codes between HTML and LaTeX.}
+
+\item{background}{A character string for column background color. Here please
+pay attention to the differences in color codes between HTML and LaTeX.}
 }
 \description{
 This function allows users to select a row and then specify