One common mistake is using overly complex or technical language that may deter potential candidates who meet the qualifications but feel intimidated by the wording. Another is being too vague about responsibilities, which can lead to mismatched expectations during hiring. Failing to list specific skills, certifications, or tools can also attract unqualified candidates. Employers should avoid unrealistic demands, such as asking for 10 years of experience in a technology that has only existed for five. Additionally, neglecting to include salary ranges or benefits can reduce applicant interest. Keeping the description inclusive and avoiding biased language is also crucial for attracting diverse talent.