Spelling fixes (#2902)

diff --git a/Lib/test/decimaltestdata/ddDivide.decTest b/Lib/test/decimaltestdata/ddDivide.decTest
index 5531d0e..5b2651b 100644
--- a/Lib/test/decimaltestdata/ddDivide.decTest
+++ b/Lib/test/decimaltestdata/ddDivide.decTest
@@ -579,7 +579,7 @@
 dddiv1057 divide -1e-277  1e+311 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped

 dddiv1058 divide -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)

 dddiv1060 divide 1e-291 1e+101 -> 1E-392 Subnormal

 dddiv1061 divide 1e-291 1e+102 -> 1E-393 Subnormal

 dddiv1062 divide 1e-291 1e+103 -> 1E-394 Subnormal