diff --git a/Day 18/q1: Maximum Difference Between Node and Ancestor/Anushreebasics--java.md b/Day-18/q1: Maximum Difference Between Node and Ancestor/Anushreebasics--java.md similarity index 100% rename from Day 18/q1: Maximum Difference Between Node and Ancestor/Anushreebasics--java.md rename to Day-18/q1: Maximum Difference Between Node and Ancestor/Anushreebasics--java.md diff --git a/Day 18/q1: Maximum Difference Between Node and Ancestor/Tech-neophyte--c.md b/Day-18/q1: Maximum Difference Between Node and Ancestor/Tech-neophyte--c.md similarity index 100% rename from Day 18/q1: Maximum Difference Between Node and Ancestor/Tech-neophyte--c.md rename to Day-18/q1: Maximum Difference Between Node and Ancestor/Tech-neophyte--c.md diff --git a/Day 18/q1: Maximum Difference Between Node and Ancestor/question.md b/Day-18/q1: Maximum Difference Between Node and Ancestor/question.md similarity index 100% rename from Day 18/q1: Maximum Difference Between Node and Ancestor/question.md rename to Day-18/q1: Maximum Difference Between Node and Ancestor/question.md