diff --git a/core/c/libc/math.odin b/core/c/libc/math.odin
index 434b67817..bc3dd9034 100644
--- a/core/c/libc/math.odin
+++ b/core/c/libc/math.odin
@@ -154,7 +154,7 @@ _nan_bit_pattern := ~u64(0)
 
 // On amd64 Windows and Linux, float_t and double_t are respectively both
 // their usual types. On x86 it's not possible to define these types correctly
-// since they would be long double which Odin does have support for.
+// since they would be long double which Odin does NOT have support for.
 float_t          :: float
 double_t         :: double