diff -r 94471357db08 Modules/mathmodule.c
--- a/Modules/mathmodule.c	Sun May 01 09:06:57 2016 +0300
+++ b/Modules/mathmodule.c	Sun May 01 09:51:13 2016 +0200
@@ -2046,7 +2046,7 @@
 }
 
 PyDoc_STRVAR(math_isclose_doc,
-"is_close(a, b, *, rel_tol=1e-09, abs_tol=0.0) -> bool\n"
+"isclose(a, b, *, rel_tol=1e-09, abs_tol=0.0) -> bool\n"
 "\n"
 "Determine whether two floating point numbers are close in value.\n"
 "\n"