diff --git a/Modules/_ctypes/stgdict.c b/Modules/_ctypes/stgdict.c
index f208d2956e429e..ab955a0b824a2f 100644
--- a/Modules/_ctypes/stgdict.c
+++ b/Modules/_ctypes/stgdict.c
@@ -484,7 +484,7 @@ error:;
 
 /*
   Replace array elements at stginfo->ffi_type_pointer.elements.
-  Return -1 if error occured.
+  Return -1 if error occurred.
 */
 int
 _replace_array_elements(ctypes_state *st, PyObject *layout_fields,
diff --git a/Modules/_interpretersmodule.c b/Modules/_interpretersmodule.c
index e7feaa7f186aee..9426ce72733c28 100644
--- a/Modules/_interpretersmodule.c
+++ b/Modules/_interpretersmodule.c
@@ -666,7 +666,7 @@ _run_in_interpreter(PyThreadState *tstate, PyInterpreterState *interp,
 
     // Prep and switch interpreters.
     if (_PyXI_Enter(session, interp, shareables, &result) < 0) {
-        // If an error occured at this step, it means that interp
+        // If an error occurred at this step, it means that interp
         // was not prepared and switched.
         _PyXI_FreeSession(session);
         _PyXI_FreeFailure(failure);