Update rule.md

rules/what-is-mentoring/rule.md

@@ -39,11 +39,11 @@ Mentors don't need to necessarily help you learn something specific, they can al
 * Push you out of your comfort zone
 * Help you past sticking points
 * Give you great feedback and encouragement
-* Be a confidant when times are tough
+* Be confident when times are tough
 * Care about your success
 * Be a positive role model
 * Dedicate some time just for you
-* Be life-long learners
+* Be a lifelong learner
 * Be open and honest
 
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