Improve tooltips for splitlines() by showing that the default for keepends is False.
diff --git a/Objects/stringobject.c b/Objects/stringobject.c
index ab377dd..fd2f630 100644
--- a/Objects/stringobject.c
+++ b/Objects/stringobject.c
@@ -3545,7 +3545,7 @@
 
 
 PyDoc_STRVAR(splitlines__doc__,
-"S.splitlines([keepends]) -> list of strings\n\
+"S.splitlines(keepends=False) -> list of strings\n\
 \n\
 Return a list of the lines in S, breaking at line boundaries.\n\
 Line breaks are not included in the resulting list unless keepends\n\