diff --git a/src/main/java/edu/iu/uits/lms/crosslist/service/CrosslistService.java b/src/main/java/edu/iu/uits/lms/crosslist/service/CrosslistService.java
index ee14bb6..1e71b5f 100644
--- a/src/main/java/edu/iu/uits/lms/crosslist/service/CrosslistService.java
+++ b/src/main/java/edu/iu/uits/lms/crosslist/service/CrosslistService.java
@@ -399,7 +399,8 @@ public FindParentResult processSisLookup(String sisSectionId) {
          return findParentResult;
       }
 
-      Section section = sectionService.getSection(String.format("sis_section_id:%s", sisSectionId));
+      // this style of Canvas search is case-sensitive, so let's force the upper case that will be accurate for SIS
+      Section section = sectionService.getSection(String.format("sis_section_id:%s", sisSectionId.toUpperCase()));
 
       if (section == null) {
          findParentResult.setShowCourseInfo(false);
diff --git a/src/main/resources/templates/findParentCourse.html b/src/main/resources/templates/findParentCourse.html
index 2a376fb..aec60eb 100644
--- a/src/main/resources/templates/findParentCourse.html
+++ b/src/main/resources/templates/findParentCourse.html
@@ -107,9 +107,9 @@ <h2 id="results-message" tabindex="-1" th:text="|Parent course found: ${findPare
                     </div>
                     <div class="rvt-m-top-sm">
                         <span>
-                            Select sections to remove, then activate De-cross-list selected sections to de-cross-list
-                            them from the course. Unavailable sections are due to either not having a SIS ID or it is
-                            the course's original section.
+                            Select sections to remove, then activate the 'De-cross-list selected sections' button to
+                            remove those sections from the course. Unavailable sections are those that do not have an
+                            SIS ID, or it is the course's original section.
                         </span>
                     </div>
                 </div>