Alison Corfield says she is delighted by the parish council's decision to correct her great uncle's memorial name.
Mrs. Corfield, from Shrewsbury, says her family had tried to hide the extra "s" by covering it with mud.
She wrote to councillors arguing that a change would be appropriate as the 100th anniversary of the start of hostilities approached.
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It'll be partially cloudy with some good sunny spells in places and light winds
It'll be a dry, bright day with sunny spells for most.
Georgia Williams' parents say her death could have been prevented were it not for failings by the Police and Social Services.