diff --git a/Python/ceval.c b/Python/ceval.c
index 2752298..7a0cb7f 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1212,7 +1212,7 @@
 #ifdef Py_DEBUG
     /* PyEval_EvalFrameEx() must not be called with an exception set,
        because it may clear it (directly or indirectly) and so the
-       caller looses its exception */
+       caller loses its exception */
     assert(!PyErr_Occurred());
 #endif
 
@@ -4087,7 +4087,7 @@
 #ifdef Py_DEBUG
     /* PyEval_CallObjectWithKeywords() must not be called with an exception
        set, because it may clear it (directly or indirectly)
-       and so the caller looses its exception */
+       and so the caller loses its exception */
     assert(!PyErr_Occurred());
 #endif