Fixed PR comments

Author: sunil-lakshman

packages/contentstack-migration/docs/api-reference.md

@@ -210,7 +210,6 @@ module.exports =({ migration })=> {
   .mandatory(false);
 };
 
-```
 Create a taxonomy field
 
  module.exports =({ migration })=> {
@@ -223,6 +222,7 @@ Create a taxonomy field
   .multiple(true)
   .mandatory(false);
 };
+```
 <a name="Field+editField"></a>
 
 ### field.editField(field, opts) ⇒ [<code>Field</code>](#Field)
@@ -461,4 +461,4 @@ migration.addTask(task)
 File      | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
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 All files |       0 |        0 |       0 |       0 |                   
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+----------|---------|----------|---------|---------|-------------------