diff --git a/Classes/Go/Go.swift b/Classes/Go/Go.swift
index da5a129..ac2349b 100644
--- a/Classes/Go/Go.swift
+++ b/Classes/Go/Go.swift
@@ -302,7 +302,6 @@ final class Go {
         }
         
         guard let player = surroundingPlayer else {
-            assertionFailure()
             return nil
         }
         return SurroundedTerritory(
diff --git a/Classes/Go/GoEndGameResult.swift b/Classes/Go/GoEndGameResult.swift
index afed2b3..1a5298e 100644
--- a/Classes/Go/GoEndGameResult.swift
+++ b/Classes/Go/GoEndGameResult.swift
@@ -33,9 +33,10 @@ struct GoEndGameResult: Codable {
     }
     
     func gameOverDescription() -> String {
+        // TODO: move to label on board, too small
         if let winner = winner() {
             return String(
-                format: "%@ Wins 🏆 %@ %d %@ %d",
+                format: "%@ Wins %@ %d %@ %d",
                 winner.rawValue.capitalized,
                 GoPlayer.black.string,
                 blackScore,
diff --git a/GoTests/GoTests.swift b/GoTests/GoTests.swift
index 1bf3f94..498227f 100644
--- a/GoTests/GoTests.swift
+++ b/GoTests/GoTests.swift
@@ -236,7 +236,7 @@ class GoTests: XCTestCase {
         }
     }
     
-    // https://www.pandanet.co.jp/English/learning_go/learning_go_7.html
+    // https://www.pandanet.co.jp/English/learning_go/learning_go_7.html - single eye
     func testSingleEyeCapture() {
         let go = Go(board: .nineXNine)
         try? go.play(22)