[IL66.1] Add a comment

Followup to IL66

Change-Id: I067e72c36f483cc3e3b24736c01843531298b507
diff --git a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
index d0d3592..f2687e5 100644
--- a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
+++ b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
@@ -1703,7 +1703,7 @@
             final LatinIME.UIHandler handler) {
         if (!mConnection.resetCachesUponCursorMoveAndReturnSuccess(
                 mConnection.getExpectedSelectionStart(), mConnection.getExpectedSelectionEnd(),
-                false)) {
+                false /* shouldFinishComposition */)) {
             if (0 < remainingTries) {
                 handler.postResetCaches(tryResumeSuggestions, remainingTries - 1);
                 return false;