Fix typo and clear innerText in HtmlNode

Corrected a typo in the circular reference exception message in InnerNode. Added clearing of innerText property in HtmlNode's clear method to ensure all relevant cached properties are reset.

https: //github.com/paquettg/pull/324
Co-Authored-By: Alexandr Popov <[email protected]>

Author: mr-chetan

src/PHPHtmlParser/Dom/Node/HtmlNode.php

@@ -235,6 +235,7 @@ protected function clear(): void
         $this->outerHtml = null;
         $this->text = null;
         $this->textWithChildren = null;
+        $this->innerText = null;
 
         if ($this->parent !== null) {
             $this->parent->clear();

src/PHPHtmlParser/Dom/Node/InnerNode.php

@@ -94,7 +94,7 @@ public function getChildren(): array
                 $childrenIds[] = $child->id;
                 $child = $this->nextChild($child->id());
                 if (in_array($child->id, $childrenIds, true)) {
-                    throw new CircularException('Circular sibling referance found. Child with id ' . $child->id() . ' found twice.');
+                     throw new CircularException('Circular sibling reference found on child with id ' . $child->id() . ' found twice.');
                 }
             } while (true);
         } catch (ChildNotFoundException $e) {