Fixed typos (#1381)

Fixed typos

Author: lex111

1-js/10-error-handling/1-try-catch/article.md

@@ -85,7 +85,7 @@ try {
 }
 ```
 
-The JavaScript engine first reads the code, and then runs it. The errors that occur on the reading phrase are called "parse-time" errors and are unrecoverable (from inside that code). That's because the engine can't understand the code.
+The JavaScript engine first reads the code, and then runs it. The errors that occur on the reading phase are called "parse-time" errors and are unrecoverable (from inside that code). That's because the engine can't understand the code.
 
 So, `try..catch` can only handle errors that occur in the valid code. Such errors are called "runtime errors" or, sometimes, "exceptions".
 ````
@@ -522,7 +522,7 @@ alert(result || "error occurred");
 alert( `execution took ${diff}ms` );
 ```
 
-You can check by running the code with entering `35` into `prompt` -- it executes normally, `finally` after `try`. And then enter `-1` -- there will be an immediate error, an the execution will take `0ms`. Both measurements are done correctly.
+You can check by running the code with entering `35` into `prompt` -- it executes normally, `finally` after `try`. And then enter `-1` -- there will be an immediate error, and the execution will take `0ms`. Both measurements are done correctly.
 
 In other words, the function may finish with `return` or `throw`, that doesn't matter. The `finally` clause executes in both cases.