Fix two typos in the top level readme.

diff --git a/README.md b/README.md
index 709f5fe2545fb7a8eaf8d19e4ae72ed8224c7dd5..20ad47423a2d12db7cc6dd76b9044a0e2bfbd817 100644 (file)
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Then configure, compile, and install the deal.II library with:
     $ make install    (alternatively $ make -j<N> install)
     $ make test
 
-To build from the repository, excute the following commands first.
+To build from the repository, execute the following commands first:
 
     $ git clone https://github.com/dealii/dealii
     $ cd dealii