diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 21289af..ce8b0cf 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -41,7 +41,7 @@ jobs:
         run: rm -rf npm
 
       - name: Test
-        run: deno test --unstable --coverage=cov
+        run: deno test --coverage=cov
 
       - name: Generate Coverage
         shell: bash
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b5c9a4f..8f31723 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,8 +36,7 @@ jobs:
         run: deno lint
 
       - name: Test
-        # run: deno test --doc
-        run: deno test
+        run: deno test --doc
 
       - name: Benchmark
         run: deno run _benchmark.ts
diff --git a/README.md b/README.md
index 51a8aec..3fc50d1 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ important and elements are chosen with replacement.
 import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
 import { permutationsWithReplacement } from "https://deno.land/x/combinatorics/mod.ts";
 
-const sequences = [...permutationsWithReplacement(2, [1, 2, 3, 4])];
+const sequences = [...permutationsWithReplacement([1, 2, 3, 4], 2)];
 
 assertEquals(sequences, [
   [1, 1], [1, 2], [1, 3], [1, 4],
diff --git a/permutations_with_replacement.ts b/permutations_with_replacement.ts
index d2d0870..590457d 100644
--- a/permutations_with_replacement.ts
+++ b/permutations_with_replacement.ts
@@ -8,7 +8,7 @@
  * import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
  * import { permutationsWithReplacement } from "https://deno.land/x/combinatorics/mod.ts";
  *
- * const sequences = [...permutationsWithReplacement(2, [1, 2, 3, 4])];
+ * const sequences = [...permutationsWithReplacement([1, 2, 3, 4], 2)];
  *
  * assertEquals(sequences, [
  *   [1, 1], [1, 2], [1, 3], [1, 4],