Readme API description fix

Author: nikitaeverywhere

readme.md

@@ -156,15 +156,15 @@ The next table demonstrates available API. Left column are `terminal` object pro
 	</tr>
     <tr><td>MODE_PROMPT</td><td>Regular input (COS command)</td></tr>
     <tr><td>MODE_SQL</td><td>Input in SQL mode (SQL command)</td></tr>
-    <tr><td>MODE_READ_CHAR</td><td>Prompt issued by COS <code>read c</code> command</td></tr>
-    <tr><td>MODE_CHAR</td><td>Prompt issued by COS <code>read *c</code> command</td></tr>
+    <tr><td>MODE_READ</td><td>Prompt issued by COS <code>read c</code> command</td></tr>
+    <tr><td>MODE_READ_CHAR</td><td>Prompt issued by COS <code>read *c</code> command</td></tr>
     <tr><td>MODE_SPECIAL</td><td>Special CWT's input (commands like /help, /config etc)</td></tr>
 </table>
 
 The next example demonstrates a way to intercept terminal's input:
 
 ```js
-var iFrame = document.querySelector("#terminal");
+let iFrame = document.querySelector("#terminal");
 
 function myInitHandler (terminal) {
     terminal.execute("set hiddenVariable = 7", {