diff --git a/README.md b/README.md
index 39186906..6aeeb2aa 100644
--- a/README.md
+++ b/README.md
@@ -129,7 +129,7 @@ What Casbin does:
 1. enforce the policy in the classic ``{subject, object, action}`` form or a customized form as you defined, both allow and deny authorizations are supported.
 2. handle the storage of the access control model and its policy.
 3. manage the role-user mappings and role-role mappings (aka role hierarchy in RBAC).
-4. support built-in superuser like ``root`` or ``administrator``. A superuser can do anything without explict permissions.
+4. support built-in superuser like ``root`` or ``administrator``. A superuser can do anything without explicit permissions.
 5. multiple built-in operators to support the rule matching. For example, ``keyMatch`` can map a resource key ``/foo/bar`` to the pattern ``/foo*``.
 
 What Casbin does NOT do: