Update README.md with minor edits

README.md

@@ -55,7 +55,7 @@ echo $(hostname --all-fqdns |  awk '{print tolower($1)}') # Find  the right FQDN
 ```
 ```bash
 export FQDN=<FQDN> # Enter your FQDN here
-export no_proxy= localhost, <local machine IP>, <FQDN>
+export no_proxy= localhost,<local machine IP>,<FQDN>
 ```
 #### _Setup Miniconda environment_
 ```bash
@@ -141,6 +141,8 @@ export COLLAB_PATH=${HOME}/${COLLAB_NAME}
 export WORKSPACE_PATH_COBR=${COLLAB_PATH}/${WORKSPACE_NAME}
 cd ${WORKSPACE_PATH_AGGR}
 fx collaborator certify --request-pkg col_${COLLAB_NAME}_to_agg_cert_request.zip  # Certify the collaborator certificate. Press "y" when asked.
+```
+```bash
 cp ${WORKSPACE_PATH_AGGR}/agg_to_col_${COLLAB_NAME}_signed_cert.zip ${WORKSPACE_PATH_COBR}/ # Send signed certificate back to collaborator
 ```
 **_Return back to Collaborator Terminal and import the signed certificate sent from CA(Aggregator)._**