diff --git a/app/src/benchmark/res/values-night/colors.xml b/app/src/benchmark/res/values-night/colors.xml
index 677eb4e03..7e62bc52c 100644
--- a/app/src/benchmark/res/values-night/colors.xml
+++ b/app/src/benchmark/res/values-night/colors.xml
@@ -14,6 +14,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
+<!-- Allow users to distinguish between build variants by having a different background color for
+the launcher icon. See https://github.com/android/nowinandroid/pull/989. -->
 <resources>
     <color name="ic_launcher_background_tint">#FFFFFF</color>
     <color name="ic_launcher_foreground_tint">#FF006780</color>
diff --git a/app/src/benchmark/res/values/colors.xml b/app/src/benchmark/res/values/colors.xml
index d33b7ba72..8524b17d2 100644
--- a/app/src/benchmark/res/values/colors.xml
+++ b/app/src/benchmark/res/values/colors.xml
@@ -14,6 +14,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
+<!-- Allow users to distinguish between build variants by having a different background color for
+the launcher icon. See https://github.com/android/nowinandroid/pull/989. -->
 <resources>
     <color name="ic_launcher_background_tint">#000000</color>
     <color name="ic_launcher_foreground_tint">#FF006780</color>
diff --git a/app/src/debug/res/values-night/colors.xml b/app/src/debug/res/values-night/colors.xml
index d6a4c98e0..2d36bde01 100644
--- a/app/src/debug/res/values-night/colors.xml
+++ b/app/src/debug/res/values-night/colors.xml
@@ -14,6 +14,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
+<!-- Allow users to distinguish between build variants by having a different background color for
+the launcher icon. See https://github.com/android/nowinandroid/pull/989. -->
 <resources>
     <color name="ic_launcher_background_tint">#FFFFFF</color>
     <color name="ic_launcher_foreground_tint">#FFA23F16</color>
diff --git a/app/src/debug/res/values/colors.xml b/app/src/debug/res/values/colors.xml
index 6365ddb3f..56a856913 100644
--- a/app/src/debug/res/values/colors.xml
+++ b/app/src/debug/res/values/colors.xml
@@ -14,6 +14,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
+<!-- Allow users to distinguish between build variants by having a different background color for
+the launcher icon. See https://github.com/android/nowinandroid/pull/989. -->
 <resources>
     <color name="ic_launcher_background_tint">#000000</color>
     <color name="ic_launcher_foreground_tint">#FFA23F16</color>