Fix typo in Instructor dashboard UI text

lms/templates/instructor/instructor_dashboard_2/membership.html

@@ -45,7 +45,7 @@ from openedx.core.djangoapps.course_groups.partition_scheme import get_cohorted_
     <label for="reason-field-id">
       ${_("Enter the reason why the students are to be manually enrolled or unenrolled.")}
       ${_("This cannot be left blank and will be recorded and presented in Enrollment Reports.")}
-      ${_("Therefore, please given enough detail to account for this action.")} </label>
+      ${_("Therefore, please give enough detail to account for this action.")} </label>
     <textarea rows="2" id="reason-field-id" name="reason-field" placeholder="${_('Reason')}" spellcheck="false"></textarea>
   </p>
   %endif