diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 21d35941..0ee8f307 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1,6 +1,9 @@
 # Code owners
 .github/CODEOWNERS      @exercism/maintainers-admin
 
+# The code sample shown in the code check when people sign up to Exercism
+docs/SIGN_UP_SNIPPET.txt    @exercism/maintainers-admin
+
 # Changes to `fetch-configlet` should be made in the `exercism/configlet` repo
 bin/fetch-configlet     @exercism/maintainers-admin
 bin/fetch-configlet.ps1 @exercism/maintainers-admin
diff --git a/docs/SIGN_UP_SNIPPET.txt b/docs/SIGN_UP_SNIPPET.txt
new file mode 100644
index 00000000..14bf57b3
--- /dev/null
+++ b/docs/SIGN_UP_SNIPPET.txt
@@ -0,0 +1,13 @@
+std::string most_common_word(const std::string& text) {
+    std::map<std::string, int> counts;
+    std::string word, best;
+    std::istringstream words(text);
+    while (words >> word) {
+        for (char& c : word) c = std::tolower(c);
+        counts[word]++;
+        if (counts[word] > counts[best]) {
+            best = word;
+        }
+    }
+    return std::format("\"{}\" appears {} times", best, counts[best]);
+}