--- exercises/025_errors5.zig	2023-11-21 14:22:48.159250165 +0100
+++ answers/025_errors5.zig	2023-11-21 14:25:01.338277886 +0100
@@ -26,7 +26,7 @@
     // This function needs to return any error which might come back from detect().
     // Please use a "try" statement rather than a "catch".
     //
-    const x = detect(n);
+    const x = try detect(n);
 
     return x + 5;
 }