#11565: Fix several typos. Patch by Piotr Kasprzyk.
diff --git a/Modules/cmathmodule.c b/Modules/cmathmodule.c
index 825f7ad..0dc6bdb 100644
--- a/Modules/cmathmodule.c
+++ b/Modules/cmathmodule.c
@@ -23,7 +23,7 @@
/*
CM_LARGE_DOUBLE is used to avoid spurious overflow in the sqrt, log,
inverse trig and inverse hyperbolic trig functions. Its log is used in the
- evaluation of exp, cos, cosh, sin, sinh, tan, and tanh to avoid unecessary
+ evaluation of exp, cos, cosh, sin, sinh, tan, and tanh to avoid unnecessary
overflow.
*/