Rewrap paragraph to fix r rendering

Author: Bisaloo

documentation.Rmd

@@ -26,13 +26,13 @@ it is always possible to extend existing classes.
 A vignette demonstrates how to accomplish non-trivial tasks embodying the core
 functionality of your package. There are two common types of vignettes.
 
-* (Recommended) An *R markdown* vignette is similar to a *Sweave* vignette, but uses
-  [markdown](http://daringfireball.net/projects/markdown/) instead of $\LaTeX$
-  for structuring text sections and resulting in HTML output. The `r
-  BiocStyle::CRANpkg("knitr")` package can process most *Sweave* and all *R
+* (Recommended) An *R markdown* vignette is similar to a *Sweave* vignette, but
+  uses [markdown](http://daringfireball.net/projects/markdown/) instead of
+  $\LaTeX$ for structuring text sections and resulting in HTML output. The
+  `r BiocStyle::CRANpkg("knitr")` package can process most *Sweave* and all *R
   markdown* vignettes, producing pleasing output. Refer to [Writing package
-  vignettes][CRAN vigs] for technical details. See the `r
-  BiocStyle::Biocpkg("BiocStyle")` package for a convenient way to use common
+  vignettes][CRAN vigs] for technical details. See the
+  `r BiocStyle::Biocpkg("BiocStyle")` package for a convenient way to use common
   macros and a standard _Bioconductor_ style vignette.
 
 * A *Sweave* vignette is an `.Rnw` file that contains $\LaTeX$ and chunks of <i