finishing touches to docs

doc/INSTALLATION.md

@@ -18,7 +18,7 @@ Assume bayeswave install path: `${HOME}/opt/lscsoft/bayeswave`:
 export BAYESWAVE_REPO=${HOME}/src/lscsoft/bayeswave
 export BAYESWAVE_PREFIX=${HOME}/opt/lscsoft/bayeswave
 git clone git@git.ligo.org:lscsoft/bayeswave.git ${BAYESWAVE_REPO}
-cd bayeswave
+cd ${BAYESWAVE_REPO}
 ./install.sh ${BAYESWAVE_PREFIX}
 ```