diff --git a/src/attr/exceptions.py b/src/attr/exceptions.py
index fcd89106..f6f9861b 100644
--- a/src/attr/exceptions.py
+++ b/src/attr/exceptions.py
@@ -3,7 +3,7 @@ from __future__ import absolute_import, division, print_function
 
 class FrozenError(AttributeError):
     """
-    A frozen/immutable instance or attribute haave been attempted to be
+    A frozen/immutable instance or attribute have been attempted to be
     modified.
 
     It mirrors the behavior of ``namedtuples`` by using the same error message