removed superfluous space in README

README.md

@@ -1,15 +1,15 @@
 RVCG
 ====
-__RVCG__ is an R-package providing methods for manipulations on triangular meshes by using the API of the [VCGLIB]( http://vcg.isti.cnr.it/~cignoni/newvcglib/html/) library.
+__RVCG__ is an R-package providing methods for manipulations on triangular meshes by using the API of the [VCGLIB](http://vcg.isti.cnr.it/~cignoni/newvcglib/html/) library.
 
 #### Installation of the R-package "Rvcg": ####
    0. Make sure to work with the latest version of R and install dependencies (type the following commands into your R terminal): 
 
-        install.packages("Rcpp")
+
+	install.packages("Rcpp")
 
 
-* Download the version suitable for your OS from [here](https://github.com/zarquon42b/Rvcg/releases/). 
-   Either the compiled package (for Windows and OS X) or the source tarball (Linux).
+* Download the version suitable for your OS from [here](https://github.com/zarquon42b/Rvcg/releases/). Either the compiled package (for Windows and OS X) or the source tarball (Linux).
 
 * Installation command from within R: 
 
@@ -21,6 +21,7 @@ __RVCG__ is an R-package providing methods for manipulations on triangular meshe
 
 #### Installation of the-R package "Rvcg" (latest development code) using *devtools*:: ####
 
+##### install prerequisites #####
 
 1. install *devtools* from within R (Ubuntu/Debian users will have to install *libcurl4-gnutls-dev* beforehand):
 
@@ -31,7 +32,8 @@ __RVCG__ is an R-package providing methods for manipulations on triangular meshe
 During installation of *Rtools* make sure to install the *toolchain*, and to select *"Edit the system path"* (and confirming the installers suggestions).
     * **OSX:** Install *[XCODE](https://developer.apple.com/xcode/)*
 
-3. In R run the command:
+##### install Rvcg #####
+* Run the following command in R:
 
         require(devtools)
         install_url("https://github.com/zarquon42b/Rvcg/archive/master.zip")