diff --git a/src/circles/Circles.sol b/src/circles/Circles.sol
index 45d2c63..9255688 100644
--- a/src/circles/Circles.sol
+++ b/src/circles/Circles.sol
@@ -28,12 +28,6 @@ contract Circles is ERC1155, ICirclesErrors {
 
     // Constants
 
-    /**
-     * @notice Issue one Circle per hour for each human in demurraged units.
-     * So per second issue 10**18 / 3600 = 277777777777778 attoCircles.
-     */
-    uint256 private constant ISSUANCE_PER_SECOND = uint256(277777777777778);
-
     /**
      * @notice Upon claiming, the maximum claim is upto two weeks
      * of history. Unclaimed older Circles are unclaimable.
diff --git a/src/hub/Hub.sol b/src/hub/Hub.sol
index b99a4a9..8777531 100644
--- a/src/hub/Hub.sol
+++ b/src/hub/Hub.sol
@@ -25,12 +25,12 @@ contract Hub is Circles, TypeDefinitions, IHubErrors {
     // Constants
 
     /**
-     * @dev Welcome bonus for new avatars invited to Circles. Set to 50 Circles.
+     * @dev Welcome bonus for new avatars invited to Circles. Set to 48 Circles.
      */
     uint256 private constant WELCOME_BONUS = 48 * EXA;
 
     /**
-     * @dev The cost of an invitation for a new avatar, paid in personal Circles burnt, set to 100 Circles.
+     * @dev The cost of an invitation for a new avatar, paid in personal Circles burnt, set to 96 Circles.
      */
     uint256 private constant INVITATION_COST = 2 * WELCOME_BONUS;
 
diff --git a/src/lift/InflationaryCircles.sol b/src/lift/InflationaryCircles.sol
index 720a8b7..4787747 100644
--- a/src/lift/InflationaryCircles.sol
+++ b/src/lift/InflationaryCircles.sol
@@ -86,7 +86,7 @@ contract InflationaryCircles is MasterCopyNonUpgradable, ERC20InflationaryBalanc
     }
 
     function name() external view returns (string memory) {
-        // append suffix for "ERC20 static" to the ERC20 name
+        // append suffix for "-ERC20s" to the ERC20 name (s for "static")
         return string(abi.encodePacked(nameRegistry.name(avatar), "-ERC20s"));
     }