doc: Edit the build system's toolchains documentation.

Edited grammar, spelling, style, markup and consistency.

Change-Id: I4629924d153d6ae3e8b2756fb382a8f761933599
Signed-off-by: Rodrigo Caballero <rodrigo.caballero.abraham@intel.com>
This commit is contained in:
Rodrigo Caballero 2015-09-29 15:43:20 -05:00 committed by Anas Nashif
commit 2a0f0bc150

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@ -68,7 +68,7 @@ installation specifics.
XTools Configuration
====================
To set up a previously installed XTools toolchain in the build system,
To set up a previously-installed XTools toolchain in the build system,
you need to configure the XTools installation path and the GCC
variant in the shell environment: