minor comments to startup script

production/start-production

@@ -3,6 +3,7 @@
 # BEGIN: Optional configuration settings
 
 # This mnemonic is used to set up persistent public key for e2ee
+# Replace this with your own 12-word mnemonic.
 export MNEMONIC="olive two muscle bottom coral ancient wait legend bronze useful process session"
 
 # The human readable name this IPFS node identifies as.
@@ -11,6 +12,7 @@ export COORD_NAME=ipfs-service-provider-generic
 # Allow this node to function as a circuit relay. It must not be behind a firewall.
 #export ENABLE_CIRCUIT_RELAY=true
 
+# Debug level. 0 = minimal info. 2 = max info.
 export DEBUG_LEVEL=2
 
 # END: Optional configuration settings