3 files changed, 2 insertions, 12 deletions
diff --git a/bsfs/query/ast/__init__.py b/bsfs/query/ast/__init__.py
index 66b097d..bceaac0 100644
--- a/bsfs/query/ast/__init__.py
+++ b/bsfs/query/ast/__init__.py
@@ -6,9 +6,6 @@ Classes beginning with an underscore (_) represent internal type hierarchies
 and should not be used for parsing. Note that the AST structures do not
 (and cannot) check semantic validity or consistency with a given schema.
 
-Part of the BlackStar filesystem (bsfs) module.
-A copy of the license is provided with the project.
-Author: Matthias Baumgartner, 2022
 """
 # imports
 import typing
diff --git a/bsfs/query/ast/fetch.py b/bsfs/query/ast/fetch.py
index d653a8a..66d94e1 100644
--- a/bsfs/query/ast/fetch.py
+++ b/bsfs/query/ast/fetch.py
@@ -1,9 +1,4 @@
-"""
 
-Part of the BlackStar filesystem (bsfs) module.
-A copy of the license is provided with the project.
-Author: Matthias Baumgartner, 2022
-"""
 # imports
 from collections import abc
 import typing
diff --git a/bsfs/query/ast/filter_.py b/bsfs/query/ast/filter_.py
index b29d89e..610fdb4 100644
--- a/bsfs/query/ast/filter_.py
+++ b/bsfs/query/ast/filter_.py
@@ -10,7 +10,8 @@ For example, consider the following AST:
 >>> Any(ns.bse.collection,
 ...     And(
 ...         Equals('hello'),
-...         Any(ns.bsm.guid, Any(ns.bsm.guid, Equals('hello'))),
+...         Is('hello world'),
+...         Any(ns.bse.tag, Equals('world')),
 ...         Any(ns.bst.label, Equals('world')),
 ...         All(ns.bst.label, Not(Equals('world'))),
 ...     )
@@ -22,9 +23,6 @@ This AST has multiple issues that are not verified upon its creation:
 * Conditions exclude each other
 * The predicate along the branch have incompatible domains and ranges.
 
-Part of the BlackStar filesystem (bsfs) module.
-A copy of the license is provided with the project.
-Author: Matthias Baumgartner, 2022
 """
 # imports
 from collections import abc