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-rw-r--r--Modules/mathmodule.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index fcd88ad331..c313f35a22 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -106,7 +106,8 @@ FUNC1(fabs, fabs,
FUNC1(floor, floor,
"floor(x)\n\nReturn the floor of x as a real.")
FUNC2(fmod, fmod,
- "fmod(x,y)\n\nReturn x % y.")
+ "fmod(x,y)\n\nReturn fmod(x, y), according to platform C."
+ " x % y may differ.")
FUNC2(hypot, hypot,
"hypot(x,y)\n\nReturn the Euclidean distance, sqrt(x*x + y*y).")
FUNC1(log, log,