bump version to 0.9.0 & update docs
diff --git a/R/column_spec.R b/R/column_spec.R
index 2e78586..ae9edff 100644
--- a/R/column_spec.R
+++ b/R/column_spec.R
@@ -27,11 +27,11 @@
 #' @param border_right A logical variable indicating whether there should be a
 #' border line on the right of the selected column. In HTML, you can also pass
 #' in a character string for the CSS of the border line
-#' @param min_width Only for HTML table. Normal column width will automatically
-#' collapse when the window cannot hold enough contents. With this `min_width`,
+#' @param width_min Only for HTML table. Normal column width will automatically
+#' collapse when the window cannot hold enough contents. With this `width_min`,
 #' you can set up a column with a width that won't collapse even when the
 #' window is not wide enough.
-#' @param max_width Only for HTML table. `max_width` defines the maximum width
+#' @param width_max Only for HTML table. `width_max` defines the maximum width
 #' of table columns.
 #' @param extra_css Extra css text to be passed into the cells of the row. Note
 #' that it's not for the whole column but to each individual cells
diff --git a/R/print.R b/R/print.R
index de5f75b..7752d98 100644
--- a/R/print.R
+++ b/R/print.R
@@ -13,6 +13,8 @@
   print(html_result)
 }
 
+#' HTML dependency for js script to enable bootstrap tooltip and popup message
+#'
 #' @export
 html_dependency_kePrint <- function() {
   htmlDependency(name = "kePrint",
@@ -22,6 +24,8 @@
                  script = "kePrint.js")
 }
 
+#' HTML dependency for Twitter bootstrap (table only)
+#'
 #' @export
 html_dependency_bsTable <- function() {
   htmlDependency(name = "bsTable",
diff --git a/R/util.R b/R/util.R
index e0db2e8..5d53369 100644
--- a/R/util.R
+++ b/R/util.R
@@ -111,7 +111,9 @@
     "\\usepackage{pdflscape}",
     "\\usepackage{tabu}",
     "\\usepackage{threeparttable}",
-    "\\usepackage[normalem]{ulem}"
+    "\\usepackage{threeparttablex}",
+    "\\usepackage[normalem]{ulem}",
+    "\\usepackage{makecell}"
   ))
 }