diff --git a/include/pybind11/stl.h b/include/pybind11/stl.h
index b424bded..ae81a70e 100644
--- a/include/pybind11/stl.h
+++ b/include/pybind11/stl.h
@@ -66,7 +66,7 @@ to prevent accidents and improve readability:
   is that this conversion is not reducing. Implicit conversions of this kind
   are also fairly commonly used, therefore enforcing explicit conversions
   would have an unfavorable cost : benefit ratio; more sloppily speaking,
-  such an enforcement would be more annyoing than helpful.
+  such an enforcement would be more annoying than helpful.
 */
 
 inline bool PyObjectIsInstanceWithOneOfTpNames(PyObject *obj,