Fix typos (#5631)

Co-authored-by: Olexandr88 <radole1203@gmail.com>
Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>
Co-authored-by: Arr00 <13561405+arr00@users.noreply.github.com>
Co-authored-by: Maxim Tiron <xzstnc@mail.ru>

README.md

@@ -1,5 +1,6 @@
 # <img src="logo.svg" alt="OpenZeppelin" height="40px">
 
+[![Github Release](https://img.shields.io/github/v/tag/OpenZeppelin/openzeppelin-contracts.svg?filter=v*&sort=semver&label=github)](https://github.com/OpenZeppelin/openzeppelin-contracts/releases/latest)
 [![NPM Package](https://img.shields.io/npm/v/@openzeppelin/contracts.svg)](https://www.npmjs.org/package/@openzeppelin/contracts)
 [![Coverage Status](https://codecov.io/gh/OpenZeppelin/openzeppelin-contracts/graph/badge.svg)](https://codecov.io/gh/OpenZeppelin/openzeppelin-contracts)
 [![GitPOAPs](https://public-api.gitpoap.io/v1/repo/OpenZeppelin/openzeppelin-contracts/badge)](https://www.gitpoap.io/gh/OpenZeppelin/openzeppelin-contracts)

contracts/utils/structs/Checkpoints.sol

@@ -68,7 +68,7 @@ library Checkpoints {
      * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero
      * if there is none.
      *
-     * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high
+     * NOTE: This is a variant of {upperLookup} that is optimized to find "recent" checkpoint (checkpoints with high
      * keys).
      */
     function upperLookupRecent(Trace224 storage self, uint32 key) internal view returns (uint224) {
@@ -271,7 +271,7 @@ library Checkpoints {
      * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero
      * if there is none.
      *
-     * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high
+     * NOTE: This is a variant of {upperLookup} that is optimized to find "recent" checkpoint (checkpoints with high
      * keys).
      */
     function upperLookupRecent(Trace208 storage self, uint48 key) internal view returns (uint208) {
@@ -474,7 +474,7 @@ library Checkpoints {
      * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero
      * if there is none.
      *
-     * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high
+     * NOTE: This is a variant of {upperLookup} that is optimized to find "recent" checkpoint (checkpoints with high
      * keys).
      */
     function upperLookupRecent(Trace160 storage self, uint96 key) internal view returns (uint160) {

hardhat.config.js

@@ -1,5 +1,5 @@
 /// ENVVAR
-// - COMPILER:      compiler version (default: 0.8.24)
+// - COMPILER:      compiler version (default: 0.8.27)
 // - SRC:           contracts folder to compile (default: contracts)
 // - RUNS:          number of optimization runs (default: 200)
 // - IR:            enable IR compilation (default: false)

scripts/generate/templates/Checkpoints.js

@@ -73,7 +73,7 @@ function upperLookup(${opts.historyTypeName} storage self, ${opts.keyTypeName} k
  * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero
  * if there is none.
  *
- * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high
+ * NOTE: This is a variant of {upperLookup} that is optimized to find "recent" checkpoint (checkpoints with high
  * keys).
  */
 function upperLookupRecent(${opts.historyTypeName} storage self, ${opts.keyTypeName} key) internal view returns (${opts.valueTypeName}) {