Fix typo: equivilant -> equivalent

Author: changeworld

docs/msbuild/errors/msb1042.md

@@ -38,7 +38,7 @@ MSB1042: Node reuse value is not valid. This version of MSBuild does not support
 <!--
 {StrBegin="MSBUILD : error MSB1042: "}
      UE: This message does not need in-line parameters because the exception takes care of displaying the invalid arg.
-     This error is shown when a user specifies a node reuse value that is not equivilant to Boolean.TrueString or Boolean.FalseString.
+     This error is shown when a user specifies a node reuse value that is not equivalent to Boolean.TrueString or Boolean.FalseString.
      LOCALIZATION: The prefix "MSBUILD : error MSBxxxx:" should not be localized.
 
 {StrBegin="MSBUILD : error MSB1042: "}