Fix spelling (#5049)

Author: chibitanaka

contracts/governance/IGovernor.sol

@@ -145,7 +145,7 @@ interface IGovernor is IERC165, IERC6372 {
      * @dev Emitted when a vote is cast with params.
      *
      * Note: `support` values should be seen as buckets. Their interpretation depends on the voting module used.
-     * `params` are additional encoded parameters. Their interpepretation also depends on the voting module used.
+     * `params` are additional encoded parameters. Their interpretation  also depends on the voting module used.
      */
     event VoteCastWithParams(
         address indexed voter,

scripts/checks/compare-layout.js

@@ -10,7 +10,7 @@ for (const name in oldLayout) {
   if (name in newLayout) {
     const report = getStorageUpgradeReport(oldLayout[name], newLayout[name], {});
     if (!report.ok) {
-      console.log(`Storage layout incompatilibity found in ${name}:`);
+      console.log(`Storage layout incompatibility found in ${name}:`);
       console.log(report.explain());
       process.exitCode = 1;
     }