diff --git a/lib/commands.py b/lib/commands.py
index ae5a27f5..3c132032 100644
--- a/lib/commands.py
+++ b/lib/commands.py
@@ -118,11 +118,12 @@ class Commands:
 
     @command('')
     def setconfig(self, key, value):
-        """Set a configuration variable. 'value' uses Python syntax"""
+        """Set a configuration variable. 'value' may be a string or a Python expression."""
+        value = ast.literal_eval(value)
         try:
             value = ast.literal_eval(value)
         except:
-            return False
+            pass
         self.config.set_key(key, value)
         return True
 
diff --git a/lib/paymentrequest.py b/lib/paymentrequest.py
index 1a1dc326..3646c9ba 100644
--- a/lib/paymentrequest.py
+++ b/lib/paymentrequest.py
@@ -103,6 +103,7 @@ class PaymentRequest:
         self.payment_url = self.details.payment_url
 
     def verify(self):
+        """ verify chain of certificates. The last certificate is the CA"""
         if not ca_list:
             self.error = "Trusted certificate authorities list not found"
             return False