Spelling fixes (#2902)
diff --git a/Lib/test/decimaltestdata/ddMultiply.decTest b/Lib/test/decimaltestdata/ddMultiply.decTest
index 45a381d..b7342ac 100644
--- a/Lib/test/decimaltestdata/ddMultiply.decTest
+++ b/Lib/test/decimaltestdata/ddMultiply.decTest
@@ -347,7 +347,7 @@
ddmul757 multiply -1e-277 1e-311 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
ddmul758 multiply -1e-277 -1e-311 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
ddmul760 multiply 1e-291 1e-101 -> 1E-392 Subnormal
ddmul761 multiply 1e-291 1e-102 -> 1E-393 Subnormal
ddmul762 multiply 1e-291 1e-103 -> 1E-394 Subnormal