Installation.md

@@ -6,7 +6,7 @@ We also make use of [conda virtual environments](https://conda.io/docs/user-guid
 * `environment_osx.yml` is the same except for OSX.
 
 # Instructions
-If you are already using conda virtual environments, return to root before proceeding
+If you are already using conda virtual environments, deactivate before proceeding
 ```
 > conda deactivate
 ```
@@ -28,6 +28,15 @@ Successfully installed shakemap
 Type 'conda activate shakemap' to use this new virtual environment.
 ```
 
+If you didn't already have conda configured prior to running the install script, you may need to source the bash profile; on OSX:
+```
+source ~/.bash_profile
+```
+and in linux:
+```
+source ~/.bashrc
+```
+
 Last, activate the shakemap virtual environment
 ```
 > conda activate shakemap