Fix typo(s) on caseSensitive.

@@ -96,9 +96,9 @@ const compileMatcher = (ast: AST, selector: string): MatcherProducer => {
     }
   }
 
-  const getAttrValueMatch = (value: string, operator: string = '=', caseSenstive: boolean): AttrValueMatch => {
+  const getAttrValueMatch = (value: string, operator: string = '=', caseSensitive: boolean): AttrValueMatch => {
     if (value === undefined) return (attrValue) => attrValue !== undefined
-    const isCaseInsenstive = caseSensitive === 'i'
+    const isCaseInsensitive = caseSensitive === 'i'
     if (isCaseInsensitive) value = value.toLowerCase()
     const adjustMatcher = (matcher) => isCaseInsensitive ? (attrValue) => matcher(attrValue.toLowerCase()) : matcher
     switch (operator) {
@@ -272,7 +272,7 @@ const compileMatcher = (ast: AST, selector: string): MatcherProducer => {
         }
       case 'attribute':
         const { caseSensitive, name, value, operator } = ast
-        const attrValueMatch = getAttrValueMatch(value, operator, caseSenstive)
+        const attrValueMatch = getAttrValueMatch(value, operator, caseSensitive)
         return (context, node,  parent, i, debug) => {
           const { attributes: { [ name ]: attrValue } = {} } = node
           return attrValueMatch(attrValue)