diff --git a/examples/gno.land/r/demo/art/gnoface/gnoface.gno b/examples/gno.land/r/demo/art/gnoface/gnoface.gno
index 6354199de2b..3ddc730008e 100644
--- a/examples/gno.land/r/demo/art/gnoface/gnoface.gno
+++ b/examples/gno.land/r/demo/art/gnoface/gnoface.gno
@@ -104,7 +104,8 @@ func Draw(seed int64) string {
 
 	r := rand.FromSeed(seed)
 
-	output := pick(r, hairs) + "\n" +
+	return "```\n" +
+		pick(r, hairs) + "\n" +
 		pick(r, headtop) + "\n" +
 		pick(r, headspace) + "\n" +
 		" | " + pick(r, eyebrow) + "   " + pick(r, eyebrow) + " |\n" +
@@ -114,8 +115,7 @@ func Draw(seed int64) string {
 		pick(r, headspace) + "\n" +
 		pick(r, mouth) + "\n" +
 		pick(r, headspace) + "\n" +
-		pick(r, headbottom)
-	return output
+		pick(r, headbottom) + "\n```\n"
 }
 
 func pick(r *rand.Instance, slice []string) string {
diff --git a/examples/gno.land/r/demo/art/gnoface/gnoface_test.gno b/examples/gno.land/r/demo/art/gnoface/gnoface_test.gno
index 0a3fc3e34e5..5c621721e05 100644
--- a/examples/gno.land/r/demo/art/gnoface/gnoface_test.gno
+++ b/examples/gno.land/r/demo/art/gnoface/gnoface_test.gno
@@ -13,7 +13,7 @@ func TestGnoface(t *testing.T) {
 	}{
 		{
 			seed: 42,
-			expected: `
+			expected: "```" + `
   |||||||
  ////////\
  |       |
@@ -24,11 +24,12 @@ func TestGnoface(t *testing.T) {
  |       |
  |  __/  |
  |       |
- \~~~~~~~/`[1:],
+ \~~~~~~~/
+` + "```\n",
 		},
 		{
 			seed: 1337,
-			expected: `
+			expected: "```" + `
      s
  /|||||||\
  |       |
@@ -39,11 +40,12 @@ o| ~   ~ |.
  |       |
  |  __/  |
  |       |
- \_______/`[1:],
+ \_______/
+` + "```\n",
 		},
 		{
 			seed: 123456789,
-			expected: `
+			expected: "```" + `
      s
  /~~~~~~~\
  |       |
@@ -54,7 +56,8 @@ o| ~   ~ |.
  |       |
  |  \_/  |
  |       |
- \-------/`[1:],
+ \-------/
+` + "```\n",
 		},
 	}
 	for _, tc := range cases {
@@ -75,8 +78,7 @@ func TestRender(t *testing.T) {
 	}{
 		{
 			path: "42",
-			expected: `
-Gnoface #42
+			expected: "Gnoface #42\n```" + `
   |||||||
  ////////\
  |       |
@@ -87,12 +89,12 @@ Gnoface #42
  |       |
  |  __/  |
  |       |
- \~~~~~~~/`[1:],
+ \~~~~~~~/
+` + "```\n",
 		},
 		{
 			path: "1337",
-			expected: `
-Gnoface #1337
+			expected: "Gnoface #1337\n```" + `
      s
  /|||||||\
  |       |
@@ -103,12 +105,12 @@ o| ~   ~ |.
  |       |
  |  __/  |
  |       |
- \_______/`[1:],
+ \_______/
+` + "```\n",
 		},
 		{
 			path: "123456789",
-			expected: `
-Gnoface #123456789
+			expected: "Gnoface #123456789\n```" + `
      s
  /~~~~~~~\
  |       |
@@ -119,7 +121,8 @@ Gnoface #123456789
  |       |
  |  \_/  |
  |       |
- \-------/`[1:],
+ \-------/
+` + "```\n",
 		},
 	}
 	for _, tc := range cases {
diff --git a/examples/gno.land/r/demo/art/millipede/millipede.gno b/examples/gno.land/r/demo/art/millipede/millipede.gno
index df5b66119aa..dbffd8b3fbb 100644
--- a/examples/gno.land/r/demo/art/millipede/millipede.gno
+++ b/examples/gno.land/r/demo/art/millipede/millipede.gno
@@ -13,7 +13,7 @@ const (
 	maxSize     = 100
 )
 
-func Millipede(size int) string {
+func Draw(size int) string {
 	if size < minSize || size > maxSize {
 		panic("invalid millipede size")
 	}
@@ -38,7 +38,7 @@ func Render(path string) string {
 		}
 	}
 
-	output := Millipede(size)
+	output := "```\n" + Draw(size) + "```\n"
 	if size > minSize {
 		output += ufmt.Sprintf("[%d](/r/art/millpede:%d)< ", size-1, size-1)
 	}
diff --git a/examples/gno.land/r/demo/art/millipede/millipede_test.gno b/examples/gno.land/r/demo/art/millipede/millipede_test.gno
index fab8f69632c..38914707b4a 100644
--- a/examples/gno.land/r/demo/art/millipede/millipede_test.gno
+++ b/examples/gno.land/r/demo/art/millipede/millipede_test.gno
@@ -12,7 +12,7 @@ func TestRender(t *testing.T) {
 	}{
 		{
 			path: "",
-			expected: `
+			expected: "```" + `
     ╚⊙ ⊙╝
   ╚═(███)═╝
  ╚═(███)═╝
@@ -34,17 +34,17 @@ func TestRender(t *testing.T) {
    ╚═(███)═╝
   ╚═(███)═╝
  ╚═(███)═╝
-[19](/r/art/millpede:19)<  >[21](/r/art/millipede:21)`[1:],
+` + "```\n[19](/r/art/millpede:19)<  >[21](/r/art/millipede:21)",
 		},
 		{
 			path: "4",
-			expected: `
+			expected: "```" + `
     ╚⊙ ⊙╝
   ╚═(███)═╝
  ╚═(███)═╝
 ╚═(███)═╝
  ╚═(███)═╝
-[3](/r/art/millpede:3)<  >[5](/r/art/millipede:5)`[1:],
+` + "```\n[3](/r/art/millpede:3)<  >[5](/r/art/millipede:5)",
 		},
 	}