fix the extracted path to what it'll be for 1.0b1

gridded_glm/PACKAGE_README.md

@@ -45,7 +45,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 To install, extract the tarball and optionally add the bin directory to your PATH.
 ​
 tar xf cspp-geo-gridded-glm-1.0b1.tar.xz
-export PATH=$PATH:$PWD/cspp-geo-gridded-glm-1.0/bin
+export PATH=$PATH:$PWD/cspp-geo-gridded-glm-1.0b1/bin
 ​
 ​
 ## USAGE