fix README for correct output from rst

Signed-off-by: R4SAS <r4sas@i2pmail.org>

README.md

@@ -22,7 +22,7 @@ Installation to system with pip3:
 pip3 install pbincli
 ```
 
-*Note: if you used installation with `virtualenv`, don't forget to activate it before usage: call `. /path/to/venv/bin/activate` in terminal*
+*Note*: if you used installation with `virtualenv`, don't forget to activate it before usage: call `. /path/to/venv/bin/activate` in terminal
 
 Configuration
 =====

README.rst

@@ -37,7 +37,7 @@ Installation to system with pip3:
 
    pip3 install pbincli
 
-*Note: if you used installation with ``virtualenv``\ , don't forget to activate it before usage: call ``. /path/to/venv/bin/activate`` in terminal*
+*Note*\ : if you used installation with ``virtualenv``\ , don't forget to activate it before usage: call ``. /path/to/venv/bin/activate`` in terminal
 
 Configuration
 =============