1 files changed, 2 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
index c108b20ed..dae36f7dd 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
@@ -383,6 +383,8 @@ public final class AndroidSpellCheckerService extends SpellCheckerService
         new Thread("spellchecker_close_dicts") {
             @Override
             public void run() {
+                // Contacts dictionary can be closed multiple times here. If the dictionary is
+                // already closed, extra closings are no-ops, so it's safe.
                 for (DictionaryPool pool : oldPools.values()) {
                     pool.close();
                 }