Before you forward your job application letter, give it a read through and also ask someone capable of editing the application and proofreading for grammar and spelling errors for you. (template.net)
This means check for grammar and spelling errors before you submit your resume. (americasjobexchange.com)
Your first impression can be spoiled because of grammar and spelling mistake as the employer can assume that you lack enthusiasm in the job. (resumewritingexperts.in)