Fixed name of bootstrap environment

doc/source/installation.rst

@@ -10,15 +10,15 @@ git repositories::
 The last repository is optional, but recommended if you want to practice
 writing plugins.
 
-Next, download EDM package manager, and create a bootstrap environment::
+Next, download EDM package manager, and create a bootstrap environment.
+We assume the bootstrap environment is the default one (called ``edm``)::
 
     wget https://package-data.enthought.com/edm/rh5_x86_64/1.9/edm_1.9.2_linux_x86_64.sh && bash ./edm_1.9.2_linux_x86_64.sh -b -f -p $HOME
     export PATH=${HOME}/edm/bin:${PATH}
-    edm environments create --version 3.5 force
-    edm install -y -e force-bootstrap click setuptools
-    edm shell --environment=force-bootstrap
+    edm install --version 3.5 -y pyyaml click setuptools
+    edm shell
 
-Verify that your prompt changes to add "(force-bootstrap)".
+Verify that your prompt changes to add "(edm)".
 Installation of the force BDSS runtime environment is performed with the
 following command::