diff --git a/contracts/facets/DiamondCutFacet.sol b/contracts/facets/DiamondCutFacet.sol
index c26772e..826287e 100644
--- a/contracts/facets/DiamondCutFacet.sol
+++ b/contracts/facets/DiamondCutFacet.sol
@@ -25,6 +25,8 @@ contract DiamondCutFacet is IDiamondCut {
         address _init,
         bytes calldata _calldata
     ) external override {
+        LibDiamondStorage.DiamondStorage storage ds = LibDiamondStorage.diamondStorage();
+        require(msg.sender == ds.contractOwner, "DiamondCutFacet: Must own the contract");
         for (uint256 facetIndex; facetIndex < _diamondCut.length; facetIndex++) {
             LibDiamondCut.addReplaceRemoveFacetSelectors(_diamondCut[facetIndex].facetAddress, _diamondCut[facetIndex].functionSelectors);
         }
diff --git a/contracts/facets/DiamondLoupeFacet.sol b/contracts/facets/DiamondLoupeFacet.sol
index efa41f7..660d702 100644
--- a/contracts/facets/DiamondLoupeFacet.sol
+++ b/contracts/facets/DiamondLoupeFacet.sol
@@ -16,10 +16,8 @@ import "../interfaces/IERC165.sol";
 contract DiamondLoupeFacet is IDiamondLoupe, IERC165 {
     // Diamond Loupe Functions
     ////////////////////////////////////////////////////////////////////
-    /// These functions are expected to be called frequently
-    /// by tools. Therefore the return values are tightly
-    /// packed for efficiency. That means no padding with zeros.
-
+    /// These functions are expected to be called frequently by tools.
+    //
     // struct Facet {
     //     address facetAddress;
     //     bytes4[] functionSelectors;