diff --git a/tests/guessnumber.d.ref b/tests/guessnumber.d.ref
index 9ff51c1..071f7e4 100644
--- a/tests/guessnumber.d.ref
+++ b/tests/guessnumber.d.ref
@@ -3,8 +3,7 @@ import std.stdio, std.random, std.typecons, std.conv, std.string, std.range;
 void main()
 {
     immutable interval = tuple(1, 100);
-    writefln("Guess my target number that is between "
-        ~ "%d and %d (inclusive).\n",
+    writefln("Guess my target number that is between " ~ "%d and %d (inclusive).\n",
         interval[]);
     immutable target = uniform!"[]"(interval[]);
     foreach (immutable i; sequence!q{n})
diff --git a/tests/heronian.d.ref b/tests/heronian.d.ref
index d9c6d46..14d84c9 100644
--- a/tests/heronian.d.ref
+++ b/tests/heronian.d.ref
@@ -39,9 +39,9 @@ void main() /*@safe*/
             writefln("%3s %8d %3dx%dx%d", t[].hero, t[].only.sum, t[]);
     }
 
-    writefln("Primitive Heronian triangles with sides up to %d: %d", maxSide,
-        h.length);
-    "\nFirst ten when ordered by increasing area, then perimeter,then maximum sides:".writeln;
+    writefln("Primitive Heronian triangles with sides up to %d: %d", maxSide, h.length);
+    "\nFirst ten when ordered by increasing area, then perimeter,then maximum sides:"
+        .writeln;
     showTriangles(h.take(10));
     "\nAll with area 210 subject to the previous ordering:".writeln;
     showTriangles(h.filter!(t => t[].hero == 210));