small changes in doc

R-package/man/setinfo.Rd

@@ -22,6 +22,16 @@ setinfo(object, ...)
 \description{
 Set information of an xgb.DMatrix object
 }
+\details{
+It can be one of the following:
+
+\itemize{
+    \item \code{label}
+    \item \code{weight}
+    \item \code{base_margin}
+    \item \code{group}
+}
+}
 \examples{
 data(agaricus.train, package='xgboost')
 train <- agaricus.train