docs: modified comment

Author: ivanab

.env.example

@@ -18,7 +18,7 @@ PGADMIN_DEFAULT_EMAIL=test@test.com
 PGADMIN_DEFAULT_PASSWORD=test
 
 # Quick way to generate keys: https://travistidwell.com/jsencrypt/demo/    
-# Paste in this format (don't remove back ticks)   
+# Paste in this format (you might need double quotes insted of back ticks or both depending on your system)   
 PUBLIC_KEY=`-----BEGIN PUBLIC KEY-----
 
 -----END PUBLIC KEY-----`