diff --git a/src/com/android/contacts/CallUtil.java b/src/com/android/contacts/CallUtil.java
index bba1faa..0f09df9 100644
--- a/src/com/android/contacts/CallUtil.java
+++ b/src/com/android/contacts/CallUtil.java
@@ -109,7 +109,7 @@
 
     /**
      * Return an Intent for making a phone call. A given Uri will be used as is (without any
-     * sanity check).
+     * quick check).
      */
     public static Intent getCallIntent(Uri uri) {
         return new Intent(Intent.ACTION_CALL, uri);
diff --git a/src/com/android/contacts/ContactPhotoManager.java b/src/com/android/contacts/ContactPhotoManager.java
index e5f808d..1468ed7 100644
--- a/src/com/android/contacts/ContactPhotoManager.java
+++ b/src/com/android/contacts/ContactPhotoManager.java
@@ -602,8 +602,8 @@
     private static final String[] COLUMNS = new String[] { Photo._ID, Photo.PHOTO };
 
     /**
-     * Dummy object used to indicate that a bitmap for a given key could not be stored in the
-     * cache.
+     * Placeholder object used to indicate that a bitmap for a given key could not
+     * be stored in the cache.
      */
     private static final BitmapHolder BITMAP_UNAVAILABLE;
 
diff --git a/src/com/android/contacts/preference/ContactsPreferences.java b/src/com/android/contacts/preference/ContactsPreferences.java
index 85da891..e478b9b 100644
--- a/src/com/android/contacts/preference/ContactsPreferences.java
+++ b/src/com/android/contacts/preference/ContactsPreferences.java
@@ -246,7 +246,7 @@
      *         true if the contact editor should show the "accounts changed" notification, that is:
      *              - If it's the first launch.
      *              - Or, if the default account has been removed.
-     *              (And some extra sanity check)
+     *              (And some extra soundness check)
      *
      * Note if this method returns {@code false}, the caller can safely assume that
      * {@link #getDefaultAccount} will return a valid account.  (Either an account which still
diff --git a/src/com/android/contacts/util/StopWatch.java b/src/com/android/contacts/util/StopWatch.java
index 4300eff..1797d2a 100644
--- a/src/com/android/contacts/util/StopWatch.java
+++ b/src/com/android/contacts/util/StopWatch.java
@@ -84,7 +84,7 @@
     }
 
     /**
-     * Return a dummy instance that does no operations.
+     * Return a no-op StopWatch instance that does no operations.
      */
     public static StopWatch getNullStopWatch() {
         return NullStopWatch.INSTANCE;