Not well-formed: the end-tag for element type xs:element must end with a '>' delimiter

I have created XML files and associated XSD Schemas but the online verifier said it still remains errors in my XSD Schemas.

The exact error it shows is:

Not well-formed: the end-tag for element type 
xs:element" must end with a '>' delimiter.

Here is the XSD:

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://ift.tt/1timONr">

<xs:element name="List_Of_Skills" maxOccurs="unbounded">
<xs:complexType>
<xs:sequence>

    <xs:element name="Skill" maxOccurs="unbounded">
    <xs:complexType>
    <xs:sequence>

    <xs:element name="ID" type="xs:integer"/>
    <xs:element name="Name" type="xs:string"/>
    <xs:element name="Description" type="xs:string"/>

    </xs:sequence>
    </xs:complexType>
    </xs:element name="Skill">

 </xs:sequence>
</xs:complexType>
</xs:element name="List_Of_Skills">

</xs:schema xmlns:xs="http://ift.tt/1timONr">

By the way my XML code is well formed so I don't understand why my XSD code isn't valid even if I thought I understood how it works.