diff --git a/scripts/tests/test_translation_fixer/test_code_includes/data/en_doc.md b/scripts/tests/test_translation_fixer/test_code_includes/data/en_doc.md
new file mode 100644
index 0000000000..593da0b327
--- /dev/null
+++ b/scripts/tests/test_translation_fixer/test_code_includes/data/en_doc.md
@@ -0,0 +1,13 @@
+# Header
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[19:21] *}
+
+Some text
+
+{* ../../docs_src/bigger_applications/app_an_py39/internal/admin.py hl[3] title["app/internal/admin.py"] *}
+
+Some more text
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[30:38] hl[31:33] *}
+
+And even more text
diff --git a/scripts/tests/test_translation_fixer/test_code_includes/data/translated_doc_number_gt.md b/scripts/tests/test_translation_fixer/test_code_includes/data/translated_doc_number_gt.md
new file mode 100644
index 0000000000..c1ad94d276
--- /dev/null
+++ b/scripts/tests/test_translation_fixer/test_code_includes/data/translated_doc_number_gt.md
@@ -0,0 +1,15 @@
+# Header
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[19:21] *}
+
+Some text
+
+{* ../../docs_src/bigger_applications/app_an_py39/internal/admin.py hl[3] title["app/internal/admin.py"] *}
+
+Some more text
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[30:38] hl[31:33] *}
+
+And even more text
+
+{* ../../docs_src/python_types/tutorial001_py39.py *}
diff --git a/scripts/tests/test_translation_fixer/test_code_includes/data/translated_doc_number_lt.md b/scripts/tests/test_translation_fixer/test_code_includes/data/translated_doc_number_lt.md
new file mode 100644
index 0000000000..07eaf2c23d
--- /dev/null
+++ b/scripts/tests/test_translation_fixer/test_code_includes/data/translated_doc_number_lt.md
@@ -0,0 +1,13 @@
+# Header
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[19:21] *}
+
+Some text
+
+{* ../../docs_src/bigger_applications/app_an_py39/internal/admin.py hl[3] title["app/internal/admin.py"] *}
+
+Some more text
+
+...
+
+And even more text
diff --git a/scripts/tests/test_translation_fixer/test_code_includes/test_number_mismatch.py b/scripts/tests/test_translation_fixer/test_code_includes/test_number_mismatch.py
new file mode 100644
index 0000000000..d487015dd2
--- /dev/null
+++ b/scripts/tests/test_translation_fixer/test_code_includes/test_number_mismatch.py
@@ -0,0 +1,57 @@
+from pathlib import Path
+
+import pytest
+from typer.testing import CliRunner
+
+from scripts.translation_fixer import cli
+
+data_path = Path(
+    "scripts/tests/test_translation_fixer/test_code_includes/data"
+).absolute()
+
+
+@pytest.mark.parametrize(
+    "copy_test_files",
+    [(f"{data_path}/en_doc.md", f"{data_path}/translated_doc_number_gt.md")],
+    indirect=True,
+)
+def test_gt(runner: CliRunner, root_dir: Path, copy_test_files):
+    result = runner.invoke(
+        cli,
+        ["fix-pages", "docs/lang/docs/doc.md"],
+    )
+    assert result.exit_code == 1
+
+    fixed_content = (root_dir / "docs" / "lang" / "docs" / "doc.md").read_text()
+    expected_content = Path(f"{data_path}/translated_doc_number_gt.md").read_text()
+
+    assert fixed_content == expected_content  # Translated doc remains unchanged
+    assert "Error processing docs/lang/docs/doc.md" in result.output
+    assert (
+        "Number of code include placeholders does not match the number of code includes "
+        "in the original document (4 vs 3)"
+    ) in result.output
+
+
+@pytest.mark.parametrize(
+    "copy_test_files",
+    [(f"{data_path}/en_doc.md", f"{data_path}/translated_doc_number_lt.md")],
+    indirect=True,
+)
+def test_lt(runner: CliRunner, root_dir: Path, copy_test_files):
+    result = runner.invoke(
+        cli,
+        ["fix-pages", "docs/lang/docs/doc.md"],
+    )
+    assert result.exit_code == 1
+
+    fixed_content = (root_dir / "docs" / "lang" / "docs" / "doc.md").read_text()
+    expected_content = Path(f"{data_path}/translated_doc_number_lt.md").read_text()
+
+    assert fixed_content == expected_content  # Translated doc remains unchanged
+    assert "Error processing docs/lang/docs/doc.md" in result.output
+    assert (
+        "Number of code include placeholders does not match the number of code includes "
+        "in the original document (2 vs 3)"
+    ) in result.output
+
diff --git a/scripts/tests/test_translation_fixer/test_complex_doc/data/en_doc.md b/scripts/tests/test_translation_fixer/test_complex_doc/data/en_doc.md
index 658a694963..cbb3cc2614 100644
--- a/scripts/tests/test_translation_fixer/test_complex_doc/data/en_doc.md
+++ b/scripts/tests/test_translation_fixer/test_complex_doc/data/en_doc.md
@@ -140,10 +140,19 @@ def hello_world():// Print greeting
 
 {* ../../docs_src/bigger_applications/app_an_py39/internal/admin.py hl[3] title["app/internal/admin.py"] *}
 
-# Code includes with unknown attributes { #code-includes-with-unknown-attributes }
+## Code includes with unknown attributes { #code-includes-with-unknown-attributes }
 
 {* ../../docs_src/python_types/tutorial001_py39.py unknown[123] *}
 
+## Some more code includes to test fixing { #some-more-code-includes-to-test-fixing }
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[19:21] *}
+
+{* ../../docs_src/bigger_applications/app_an_py39/internal/admin.py hl[3] title["app/internal/admin.py"] *}
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[30:38] hl[31:33] *}
+
+
 
 # Links { #links }
 
diff --git a/scripts/tests/test_translation_fixer/test_complex_doc/data/translated_doc.md b/scripts/tests/test_translation_fixer/test_complex_doc/data/translated_doc.md
index aa0aa4f489..6d6e4d1d59 100644
--- a/scripts/tests/test_translation_fixer/test_complex_doc/data/translated_doc.md
+++ b/scripts/tests/test_translation_fixer/test_complex_doc/data/translated_doc.md
@@ -137,10 +137,17 @@ def hello_world():// Печать приветствия
 
 {* ../../docs_src/bigger_applications/app_an_py39/internal/admin.py hl[3] title["app/internal/admin.py"] *}
 
-# Включения кода с неизвестными атрибутами { #code-includes-with-unknown-attributes }
+## Включения кода с неизвестными атрибутами { #code-includes-with-unknown-attributes }
 
 {* ../../docs_src/python_types/tutorial001_py39.py unknown[123] *}
 
+## Ещё включения кода для тестирования исправления { #some-more-code-includes-to-test-fixing }
+
+{*    ../../docs_src/dependencies/tutorial013_an_py310.py     ln[19 : 21]    *}
+
+{* ../../docs_src/bigger_applications/app_an_py39/wrong.py hl[3] title["app/internal/admin.py"] *}
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[1:30] hl[1:10] *}
 
 # Ссылки { #links }
 
diff --git a/scripts/tests/test_translation_fixer/test_complex_doc/data/translated_doc_expected.md b/scripts/tests/test_translation_fixer/test_complex_doc/data/translated_doc_expected.md
index ecf8f61c75..90d14677bf 100644
--- a/scripts/tests/test_translation_fixer/test_complex_doc/data/translated_doc_expected.md
+++ b/scripts/tests/test_translation_fixer/test_complex_doc/data/translated_doc_expected.md
@@ -137,10 +137,17 @@ def hello_world():// Print greeting
 
 {* ../../docs_src/bigger_applications/app_an_py39/internal/admin.py hl[3] title["app/internal/admin.py"] *}
 
-# Включения кода с неизвестными атрибутами { #code-includes-with-unknown-attributes }
+## Включения кода с неизвестными атрибутами { #code-includes-with-unknown-attributes }
 
 {* ../../docs_src/python_types/tutorial001_py39.py unknown[123] *}
 
+## Ещё включения кода для тестирования исправления { #some-more-code-includes-to-test-fixing }
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[19:21] *}
+
+{* ../../docs_src/bigger_applications/app_an_py39/internal/admin.py hl[3] title["app/internal/admin.py"] *}
+
+{* ../../docs_src/dependencies/tutorial013_an_py310.py ln[30:38] hl[31:33] *}
 
 # Ссылки { #links }