docs(dev-infra): fix typos in `dev-infra` docs/comments (#41688)

PR Close #41688

dev-infra/browsers/README.md

@@ -51,7 +51,7 @@ The process of updating the Chrome or Firefox version is not straightforward, bu
     > The version of Chrome does not necessarily correspond exactly with the version of ChromeDriver.
     > For example, you might have to use ChromeDriver v87.0.4280.x to drive Chrome v87.0.4272.x.
 
-3. Update `scripts/puppeteer-chromedriver-versions.js` to include and entry with the new version of puppeteer as key and the new version of ChromeDriver as value (as determined in the two previous steps).
+3. Update `scripts/puppeteer-chromedriver-versions.js` to include an entry with the new version of puppeteer as key and the new version of ChromeDriver as value (as determined in the two previous steps).
 
 4. Update all of the puppeteer versions throughout the repo:
 

dev-infra/build-worker.js

@@ -456,8 +456,8 @@ var GitClient = /** @class */ (function () {
  * for each new line. Git commands typically return multiple output values for a command a set of
  * strings separated by new lines.
  *
- * Note: This is specifically created as a locally available function for usage as convience utility
- * within `GitClient`'s methods to create outputs as array.
+ * Note: This is specifically created as a locally available function for usage as convenience
+ * utility within `GitClient`'s methods to create outputs as array.
  */
 function gitOutputAsArray(gitCommandResult) {
     return gitCommandResult.stdout.split('\n').map(function (x) { return x.trim(); }).filter(function (x) { return !!x; });

dev-infra/ng-dev.js

@@ -622,8 +622,8 @@ var GitClient = /** @class */ (function () {
  * for each new line. Git commands typically return multiple output values for a command a set of
  * strings separated by new lines.
  *
- * Note: This is specifically created as a locally available function for usage as convience utility
- * within `GitClient`'s methods to create outputs as array.
+ * Note: This is specifically created as a locally available function for usage as convenience
+ * utility within `GitClient`'s methods to create outputs as array.
  */
 function gitOutputAsArray(gitCommandResult) {
     return gitCommandResult.stdout.split('\n').map(function (x) { return x.trim(); }).filter(function (x) { return !!x; });

dev-infra/utils/git/index.ts

@@ -354,8 +354,8 @@ export class GitClient<Authenticated extends boolean> {
  * for each new line. Git commands typically return multiple output values for a command a set of
  * strings separated by new lines.
  *
- * Note: This is specifically created as a locally available function for usage as convience utility
- * within `GitClient`'s methods to create outputs as array.
+ * Note: This is specifically created as a locally available function for usage as convenience
+ * utility within `GitClient`'s methods to create outputs as array.
  */
 function gitOutputAsArray(gitCommandResult: SpawnSyncReturns<string>): string[] {
   return gitCommandResult.stdout.split('\n').map(x => x.trim()).filter(x => !!x);