diff --git a/haystack_experimental/components/preprocessors/__init__.py b/haystack_experimental/components/preprocessors/__init__.py
index c377db50..d9c66e64 100644
--- a/haystack_experimental/components/preprocessors/__init__.py
+++ b/haystack_experimental/components/preprocessors/__init__.py
@@ -9,10 +9,12 @@
 
 _import_structure = {
     "embedding_based_document_splitter": ["EmbeddingBasedDocumentSplitter"],
+    "md_header_level_inferrer": ["MarkdownHeaderLevelInferrer"],
 }
 
 if TYPE_CHECKING:
     from .embedding_based_document_splitter import EmbeddingBasedDocumentSplitter
+    from .md_header_level_inferrer import MarkdownHeaderLevelInferrer
 
 else:
     sys.modules[__name__] = LazyImporter(name=__name__, module_file=__file__, import_structure=_import_structure)
diff --git a/haystack_experimental/components/preprocessors/md_header_level_inferrer.py b/haystack_experimental/components/preprocessors/md_header_level_inferrer.py
index 004d4d35..763fed2a 100644
--- a/haystack_experimental/components/preprocessors/md_header_level_inferrer.py
+++ b/haystack_experimental/components/preprocessors/md_header_level_inferrer.py
@@ -24,7 +24,7 @@ class MarkdownHeaderLevelInferrer:
     from haystack_experimental.components.preprocessors import MarkdownHeaderLevelInferrer
 
     # Create a document with uniform header levels
-    text = "## Title\nSome content\n## Section\nMore content\n## Subsection\nFinal content"
+    text = "## Title\n## Subheader\nSection\n## Subheader\nMore Content"
     doc = Document(content=text)
 
     # Initialize the inferrer and process the document
@@ -33,7 +33,7 @@ class MarkdownHeaderLevelInferrer:
 
     # The headers are now normalized with proper hierarchy
     print(result["documents"][0].content)
-    > # Title\nSome content\n## Section\nMore content\n### Subsection\nFinal content
+    > # Title\n## Subheader\nSection\n## Subheader\nMore Content
     ```
     """
 
diff --git a/test/components/preprocessors/test_markdown_header_level_inferrer.py b/test/components/preprocessors/test_markdown_header_level_inferrer.py
index 220f5cde..5aeaadf8 100644
--- a/test/components/preprocessors/test_markdown_header_level_inferrer.py
+++ b/test/components/preprocessors/test_markdown_header_level_inferrer.py
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 from haystack import Document
-from haystack_experimental.components.preprocessors.md_header_level_inferrer import MarkdownHeaderLevelInferrer
+from haystack_experimental.components.preprocessors import MarkdownHeaderLevelInferrer
 
 
 def test_single_header_level_inference():
@@ -124,7 +124,7 @@ def test_multiple_documents():
     inferrer = MarkdownHeaderLevelInferrer()
     docs = [Document(content=text1), Document(content=text2)]
     result = inferrer.run(docs)
-    
+
     assert len(result["documents"]) == 2
     assert result["documents"][0].content == "# Title 1\nContent 1"
     assert result["documents"][1].content == "# Title 2\nContent 2"
@@ -154,7 +154,7 @@ def test_very_long_content():
     inferrer = MarkdownHeaderLevelInferrer()
     doc = Document(content=text)
     result = inferrer.run([doc])
-    
+
     # verify first header becomes level 1, others follow the pattern
     content = result["documents"][0].content
     assert content.startswith("# Header 0")