[gimp-book-painting] Correct the Parametric Basic Brush Set description

[Americo Gobbo <amerigo src gnome org>]

commit c1229381f73899e47d580cc3b541afebc6115d1d
Author: Americo Gobbo <jag rabisco gmail com>
Date:   Fri Jun 15 15:42:57 2018 -0300

    Correct the Parametric Basic Brush Set description

 parametric-brushes.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/parametric-brushes.md b/parametric-brushes.md
index bab1d77..ce38cae 100644
--- a/parametric-brushes.md
+++ b/parametric-brushes.md
@@ -49,8 +49,9 @@ Samples and tests are published in 2013 on my g+ account and, all are realized w
 * Comparison 3 and conclusions about the behavior of paint dynamics for dry media  between parametric and 
raster brushes. [See](https://plus.google.com/+AmericoGobbo/posts/VHy2sNcteRK)
 
 ## Parametric Basic Brush Set
-This set contains the .vbr basic brushes, round and block (hard and soft versions). They are the Classic 
brushes that the user to any task to painting or drawing. The idea to put in evidence these brushes is 
motivated for my ideas and concepts around the real possibilities of parametric brushes on GIMP with paint 
dynamics to solve many issues of pictorial techniques for the traditional digital painting based in the 
current mainstream and tastes around finishing of the works.
-The 'BO' folder contains the .vbr basic brushes, round and block (hard and soft versions).
+The idea to put in evidence these brushes is motivated by the real possibilities of the parametric brushes 
on GIMP to solve many issues of pictorial techniques with simple and dedicated paint dynamics.
+
+This set contains the .vbr basic brushes, round and block (hard and soft versions). The 'BO' folder contains 
the .vbr basic brushes, round and block (hard and soft versions).
 
 ### Author, License and Download
 The Brush Set [[download](todo)] was created by Americo Gobbo and licensed as Public Domain.