diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
new file mode 100644
index 0000000..8063c9d
--- /dev/null
+++ b/.github/workflows/shellcheck.yml
@@ -0,0 +1,35 @@
+# The MIT License (MIT)
+#
+# Copyright (c) 2022-2024 Objectionary.com
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+---
+name: shellcheck
+'on':
+  push:
+  pull_request:
+concurrency:
+  group: shellcheck-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  shellcheck:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ludeeus/action-shellcheck@master
diff --git a/README.md b/README.md
index 8394b17..bb14a43 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 [![Hits-of-Code](https://hitsofcode.com/github/objectionary/eoc)](https://hitsofcode.com/view/github/objectionary/eoc)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/objectionary/eoc/blob/master/LICENSE.txt)
 
-First, you install [npm](npm-install) and [Java SE][java-se].
+First, you install [npm][npm-install] and [Java SE][java-se].
 
 Then, you install [eolang][npm] package: