diff --git a/src/cat.sol b/src/cat.sol
index 0614f361..a7c58866 100644
--- a/src/cat.sol
+++ b/src/cat.sol
@@ -46,7 +46,7 @@ contract VowLike {
     function fess(uint) external;
 }
 
-contract Cat is DSNote {
+contract Cat is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address usr) external note auth { wards[usr] = 1; }
diff --git a/src/dai.sol b/src/dai.sol
index 8f935c23..f9f36c97 100644
--- a/src/dai.sol
+++ b/src/dai.sol
@@ -17,7 +17,7 @@ pragma solidity 0.5.11;
 
 import "./lib.sol";
 
-contract Dai is DSNote {
+contract Dai is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address guy) external note auth { wards[guy] = 1; }
diff --git a/src/end.sol b/src/end.sol
index f0ed98ae..7023ccfb 100644
--- a/src/end.sol
+++ b/src/end.sol
@@ -188,7 +188,7 @@ contract Spotty {
         - the number of gems is limited by how big your bag is
 */
 
-contract End is DSNote {
+contract End is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address guy) external note auth { wards[guy] = 1; }
diff --git a/src/flap.sol b/src/flap.sol
index f1159513..ea07a2c8 100644
--- a/src/flap.sol
+++ b/src/flap.sol
@@ -37,7 +37,7 @@ contract GemLike {
  - `end` max auction duration
 */
 
-contract Flapper is DSNote {
+contract Flapper is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address usr) external note auth { wards[usr] = 1; }
diff --git a/src/flip.sol b/src/flip.sol
index 95f3cdd0..4921e6db 100644
--- a/src/flip.sol
+++ b/src/flip.sol
@@ -38,7 +38,7 @@ contract VatLike {
  - `end` max auction duration
 */
 
-contract Flipper is DSNote {
+contract Flipper is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address usr) external note auth { wards[usr] = 1; }
diff --git a/src/flop.sol b/src/flop.sol
index db8cb964..c4537a50 100644
--- a/src/flop.sol
+++ b/src/flop.sol
@@ -37,7 +37,7 @@ contract GemLike {
  - `end` max auction duration
 */
 
-contract Flopper is DSNote {
+contract Flopper is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address usr) external note auth { wards[usr] = 1; }
diff --git a/src/join.sol b/src/join.sol
index 89e150d8..2efeb928 100644
--- a/src/join.sol
+++ b/src/join.sol
@@ -59,7 +59,7 @@ contract VatLike {
 
 */
 
-contract GemJoin is DSNote {
+contract GemJoin is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address usr) external note auth { wards[usr] = 1; }
@@ -96,7 +96,7 @@ contract GemJoin is DSNote {
     }
 }
 
-contract ETHJoin is DSNote {
+contract ETHJoin is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address usr) external note auth { wards[usr] = 1; }
@@ -128,7 +128,7 @@ contract ETHJoin is DSNote {
     }
 }
 
-contract DaiJoin is DSNote {
+contract DaiJoin is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address usr) external note auth { wards[usr] = 1; }
diff --git a/src/jug.sol b/src/jug.sol
index 1188c9cf..be2c504a 100644
--- a/src/jug.sol
+++ b/src/jug.sol
@@ -12,7 +12,7 @@ contract VatLike {
     function fold(bytes32,address,int) external;
 }
 
-contract Jug is DSNote {
+contract Jug is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address usr) external note auth { wards[usr] = 1; }
diff --git a/src/lib.sol b/src/lib.sol
index eba2f460..5b91c115 100644
--- a/src/lib.sol
+++ b/src/lib.sol
@@ -13,7 +13,7 @@
 
 pragma solidity 0.5.11;
 
-contract DSNote {
+contract LibNote {
     event LogNote(
         bytes4   indexed  sig,
         address  indexed  usr,
diff --git a/src/pot.sol b/src/pot.sol
index 83023aa0..f5d2e0dc 100644
--- a/src/pot.sol
+++ b/src/pot.sol
@@ -43,7 +43,7 @@ contract VatLike {
     function suck(address,address,uint256) external;
 }
 
-contract Pot is DSNote {
+contract Pot is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address guy) external note auth { wards[guy] = 1; }
diff --git a/src/spot.sol b/src/spot.sol
index eecb9228..77fa529a 100644
--- a/src/spot.sol
+++ b/src/spot.sol
@@ -25,7 +25,7 @@ contract PipLike {
     function peek() external returns (bytes32, bool);
 }
 
-contract Spotter is DSNote {
+contract Spotter is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address guy) external note auth { wards[guy] = 1;  }
diff --git a/src/vow.sol b/src/vow.sol
index 117e90e3..9683ea0d 100644
--- a/src/vow.sol
+++ b/src/vow.sol
@@ -38,7 +38,7 @@ contract VatLike {
     function hope(address) external;
 }
 
-contract Vow is DSNote {
+contract Vow is LibNote {
     // --- Auth ---
     mapping (address => uint) public wards;
     function rely(address usr) external note auth { require(live == 1); wards[usr] = 1; }