fixed typos

library/Zend/Cache/Storage/Adapter/DbaIterator.php

@@ -131,7 +131,7 @@ public function current()
     public function key()
     {
         if ($this->currentInternalKey === false) {
-            throw new Exception\RuntimeException("Iterater is on an invalid state");
+            throw new Exception\RuntimeException("Iterator is on an invalid state");
         }
 
         // remove namespace prefix
@@ -147,7 +147,7 @@ public function key()
     public function next()
     {
         if ($this->currentInternalKey === false) {
-            throw new Exception\RuntimeException("Iterater is on an invalid state");
+            throw new Exception\RuntimeException("Iterator is on an invalid state");
         }
 
         $this->currentInternalKey = dba_nextkey($this->handle);

library/Zend/Ldap/Node.php

@@ -335,7 +335,7 @@ protected function markAsNew($new)
      * Tells if the node is considered as new (not present on the server)
      *
      * Please note, that this doesn't tell you if the node is present on the server.
-     * Use {@link exits()} to see if a node is already there.
+     * Use {@link exists()} to see if a node is already there.
      *
      * @return bool
      */