fixes typos for #357

Readme.html

@@ -293,7 +293,7 @@ see javassist.Dump.
 
 <p>-version 3.28
 <ul>
-	<li>GitHub Issue #328, #339.
+	<li>GitHub Issue #328, #339, #357.
 </ul>
 
 <p>-version 3.27 on March 19, 2020

src/main/javassist/bytecode/LocalVariableAttribute.java

@@ -219,8 +219,8 @@ public class LocalVariableAttribute extends AttributeInfo {
 
     /**
      * Returns the name of the local variable with given index.
-     * If you want get the parameter name of method with correct order,
-     * should using this method.
+     * If you want to get the parameter name of method with correct order,
+     * you should using this method.
      *
      * @param index         the index of the local variable.
      */