Final fixes for 0.7.0 release
diff --git a/vignettes/use_kableExtra_with_formattable.Rmd b/vignettes/use_kableExtra_with_formattable.Rmd
index 641fe78..e19dd2f 100644
--- a/vignettes/use_kableExtra_with_formattable.Rmd
+++ b/vignettes/use_kableExtra_with_formattable.Rmd
@@ -3,10 +3,6 @@
 author: "Hao Zhu"
 date: "`r Sys.Date()`"
 output: html_document
-vignette: >
-  %\VignetteIndexEntry{Use kableExtra with formattable}
-  %\VignetteEngine{knitr::rmarkdown}
-  %\VignetteEncoding{UTF-8}
 ---
 
 I know you love `formattable`'s `color_tile` and `color_bar`. I do too. In my mind, these two features are among the best visualization methods in a tabular format. You may wonder if it's possible use it together with `kableExtra` so you can have a nested table with awesome presentation at the same time. Here is how. 
@@ -61,3 +57,4 @@
   kable("html", escape = F, align = "c") %>%
   kable_styling("condensed", full_width = F)
 ```
+