added new_tab to cell_spec
diff --git a/man/cell_spec.Rd b/man/cell_spec.Rd
index 61ff27c..bf3a057 100644
--- a/man/cell_spec.Rd
+++ b/man/cell_spec.Rd
@@ -21,6 +21,7 @@
   tooltip = NULL,
   popover = NULL,
   link = NULL,
+  new_tab = FALSE,
   extra_css = NULL,
   escape = TRUE,
   background_as_tile = TRUE,
@@ -43,6 +44,7 @@
   tooltip = NULL,
   popover = NULL,
   link = NULL,
+  new_tab = FALSE,
   extra_css = NULL,
   escape = TRUE,
   background_as_tile = TRUE,
@@ -99,6 +101,8 @@
 \item{link}{A vector of strings for url links. Can be used together with
 tooltip and popover.}
 
+\item{new_tab}{T/F for whether to open up the new link in new tab.}
+
 \item{extra_css}{Extra css text to be passed into the cell}
 
 \item{escape}{T/F value showing whether special characters should be escaped.}