From 50abb73d193d73db5929d111b7547965ec9de56d Mon Sep 17 00:00:00 2001
From: Timo Koch <timo.koch@iws.uni-stuttgart.de>
Date: Tue, 17 Jul 2018 16:34:24 +0200
Subject: [PATCH] Update README.md grid exercise

---
 exercises/exercise-grids/README.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/exercises/exercise-grids/README.md b/exercises/exercise-grids/README.md
index 6e49aec2..aeffdc23 100644
--- a/exercises/exercise-grids/README.md
+++ b/exercises/exercise-grids/README.md
@@ -130,7 +130,7 @@ Grading1 = 1.0 -1.3 1.3 1.0
 ```
 
 <br><br>
-### Task 4: Reading in a Structured Grid (.dgf and .msh)
+### Task 4: Reading in a Structured Grid (*.dgf or *.msh grid files)
 <hr>
 
 DuMuX can also read in grids from external files. There are two supported file types: `.dgf` grids, and `.msh` grids.
@@ -153,12 +153,12 @@ There are two external structured grid files located in the `grid/` folder (`gri
 
 
 <br><br>
-### Task 5: Reading in a Unstructured Grid (.msh)
+### Task 5: Reading in a Unstructured Grid (*.dgf or *.msh grid files)
 <hr>
 
-Unstructured grids are also supported for some Dumux models. An example of an Unstructured grid is located in the `grid/` folder (`grid_unstructured.msh`)
+An example of an Unstructured grid is located in the `grid/` folder (`grid_unstructured.msh`)
 
-This grid is made up of triangles, or simplexes. This element type can be set in the grid properties section.
+This grid is made up of triangles (simplices of dimension 2). This element type can be set in the grid properties section.
 
 * > __Task 5__: Change the grid property element type to include `Dune::simplex` instead of `Dune::cube`. Read in the unstructured grid via the input file and run the simulation.
 
-- 
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