diff --git a/src/attr/validators.py b/src/attr/validators.py
index 18617fe6b..34d6b761d 100644
--- a/src/attr/validators.py
+++ b/src/attr/validators.py
@@ -550,7 +550,7 @@ def __call__(self, inst, attr, value):
         We use a callable class to be able to change the ``__repr__``.
         """
         if len(value) < self.min_length:
-            msg = f"Length of '{attr.name}' must be => {self.min_length}: {len(value)}"
+            msg = f"Length of '{attr.name}' must be >= {self.min_length}: {len(value)}"
             raise ValueError(msg)
 
     def __repr__(self):