diff --git a/product/ERP5/Document/Document.py b/product/ERP5/Document/Document.py
index 46a68bca74d3098c80d7165b50856c1bc20d3162..a6729d5336c75bd80bc91fbd9e871a3068fcac92 100644
--- a/product/ERP5/Document/Document.py
+++ b/product/ERP5/Document/Document.py
@@ -59,7 +59,7 @@ from Products.ERP5.mixin.text_convertable import TextConvertableMixin
 from Products.ERP5.mixin.downloadable import DownloadableMixin
 from Products.ERP5.mixin.document import DocumentMixin
 from Products.ERP5.mixin.extensible_traversable import DocumentExtensibleTraversableMixin
-from Products.ERP5.mixin.crawable import CrawableMixin
+from Products.ERP5.mixin.crawlable import CrawlableMixin
 
 _MARKER = []
 VALID_ORDER_KEY_LIST = ('user_login', 'content', 'file_name', 'input')
@@ -89,7 +89,7 @@ class NotConvertedError(Exception):pass
 allow_class(NotConvertedError)
 
 class Document(DocumentExtensibleTraversableMixin, XMLObject, UrlMixIn, CachedConvertableMixin,
-               CrawableMixin, TextConvertableMixin, DownloadableMixin, DocumentMixin):
+               CrawlableMixin, TextConvertableMixin, DownloadableMixin, DocumentMixin):
   """Document is an abstract class with all methods related to document
   management in ERP5. This includes searchable text, explicit relations,
   implicit relations, metadata, versions, languages, etc.
diff --git a/product/ERP5/Document/ExternalSource.py b/product/ERP5/Document/ExternalSource.py
index eb3e4cc845e27e73093c02f63563a42e17d37889..00967ddcfbe7c4bc3b133120d431862d8273ed76 100644
--- a/product/ERP5/Document/ExternalSource.py
+++ b/product/ERP5/Document/ExternalSource.py
@@ -29,9 +29,9 @@ from AccessControl import ClassSecurityInfo
 from Products.ERP5Type import Permissions, PropertySheet
 from Products.ERP5Type.XMLObject import XMLObject
 from Products.ERP5.Document.Url import UrlMixIn
-from Products.ERP5.mixin.crawable import CrawableMixin
+from Products.ERP5.mixin.crawlable import CrawlableMixin
 
-class ExternalSource(XMLObject, UrlMixIn, CrawableMixin):
+class ExternalSource(XMLObject, UrlMixIn, CrawlableMixin):
   """
   An External Source consists of single URL which defines the
   root of a collection of documents, each of which can be accessed
diff --git a/product/ERP5/mixin/crawable.py b/product/ERP5/mixin/crawlable.py
similarity index 99%
rename from product/ERP5/mixin/crawable.py
rename to product/ERP5/mixin/crawlable.py
index 6c5ec87779a20020b508553b1d3f2992d049db87..f7d42a6df23afa148af2ddc692e5ab7a9bae6af4 100644
--- a/product/ERP5/mixin/crawable.py
+++ b/product/ERP5/mixin/crawlable.py
@@ -30,7 +30,7 @@
 from AccessControl import ClassSecurityInfo, getSecurityManager
 from Products.ERP5Type import Permissions
 
-class CrawableMixin:
+class CrawlableMixin:
   """
   Generic implementation of ICrawlable interface
   """