diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index a0b4f23..970d951 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -2884,7 +2884,7 @@
 #ifdef WIFSIGNALED
 static char posix_WIFSIGNALED__doc__[] =
 "WIFSIGNALED(status) -> Boolean\n\
-Retrun true if the process returning 'status' was terminated by a signal.";
+Return true if the process returning 'status' was terminated by a signal.";
 
 static PyObject *
 posix_WIFSIGNALED(self, args)