Update README.md

README.md

@@ -83,7 +83,7 @@ to build all the example problems. The `dunecontrol` script searches for the req
 
 (See the file `dune.module` for an up-to-date list of dependencies). The dune modules
 can be obtained from https://gitlab.dune-project.org and need to be found in a
-subdirectory of `DUNE_CONTROL_PATH`. See als https://dune-project.org/doc/installation
+subdirectory of `DUNE_CONTROL_PATH`. See also https://dune-project.org/doc/installation
 for details about the installation of dune modules.
 
 ## Documentation