Minor rmarkdown tweaking

rmarkdown-formats.Rmd

@@ -252,15 +252,27 @@ Read more at <http://rmarkdown.rstudio.com/rmarkdown_websites.html>.
 
 ## Other formats
 
-The bookdown package extends R Markdown to create book length documents, like *R for Data Science*, which was written with R Markdown and bookdown. To learn more about bookdown, see the free ebook [Authoring Books with R Markdown](https://bookdown.org/yihui/bookdown/) or [www.bookdown.org](www.bookdown.org).
+Other packages provide even more output formats:
 
-There are a few Journal specific formats bundled together in the __rticles__ package, <https://github.com/rstudio/rticles>.
+*   The __bookdown__ package, <https://github.com/rstudio/bookdown>, 
+    makes it easy to write books, like this one! To learn more, read 
+    [_Authoring Books with R Markdown_](https://bookdown.org/yihui/bookdown/),
+    by Yihui Xie, which is, of course, written in bookdown. Visit
+    <http://www.bookdown.org> to see other bookdown books written by the 
+    community.
 
-You can also create your own formats <http://rmarkdown.rstudio.com/developer_custom_formats.html>.
+*   The __prettydoc__ package, <https://github.com/yixuan/prettydoc/>, 
+    provides lightweight document formats with a range of attractive
+    themes.
+
+*   The __rticles__ package, <https://github.com/rstudio/rticles>, compiles a
+    selection of formats tailored for specific scientific journals.
+
+See <http://rmarkdown.rstudio.com/formats.html> for a list of even more formats.  You can also create your own by following the instructions at <http://rmarkdown.rstudio.com/developer_custom_formats.html>.
 
 ## Learning more
 
-To learn more about communcating in thse different formats I recommend:
+To learn more about communcating in these different formats I recommend:
 
 * To improve your presentation skills, I recommend 
   [_Presentation Patterns_](https://amzn.com/0321820800), by Neal Ford,

rmarkdown.Rmd

@@ -36,7 +36,7 @@ chunk <- "```"
 inline <- function(x = "") paste0("`` `r ", x, "` ``")
 ```
 
-## R Markdown basics
+## R Markdown workflow
 
 This is an R Markdown file, a plain text file that has the extension `.Rmd`:
 
@@ -62,7 +62,7 @@ To produce a complete report containing all text, code, and results click "Knit"
 knitr::include_graphics("screenshots/rmarkdown-report.png")
 ```
 
-When you __knit__ the document R Markdown sends the .Rmd file to [knitr](http://yihui.name/knitr/), which executes all of the code chunks and creates a new markdown (.md) document which includes the code and its output. The markdown file generated by knitr is then processed by [pandoc](http://pandoc.org/) which is responsible for creating the finished format. The big advantage of this two step workflow is that you can create a very wide range of output formats, as you'll learn about in XYZ. Knitting is performed in a fresh instance of R which ensures that your reports are completely reproducible.
+When you __knit__ the document R Markdown sends the .Rmd file to [knitr](http://yihui.name/knitr/), which executes all of the code chunks and creates a new markdown (.md) document which includes the code and its output. The markdown file generated by knitr is then processed by [pandoc](http://pandoc.org/) which is responsible for creating the finished format. The big advantage of this two step workflow is that you can create a very wide range of output formats, as you'll learn about in [R markdown formats]. Knitting is performed in a fresh instance of R which ensures that your reports are completely reproducible.
 
 ```{r, echo = FALSE, out.width = "100%"}
 knitr::include_graphics("images/RMarkdownFlow.png")