diff --git a/papis_extract/__init__.py b/papis_extract/__init__.py
index 7944553..855d80f 100644
--- a/papis_extract/__init__.py
+++ b/papis_extract/__init__.py
@@ -88,10 +88,11 @@ def main(
     git: bool,
     force: bool,
 ) -> None:
-    """Extract annotations from any pdf document.
+    """Extract annotations from any documents.
 
     The extract plugin allows manual or automatic extraction of all annotations
-    contained in the pdf documents belonging to entries of the papis library.
+    contained in the documents belonging to entries of the papis library,
+    primarily targeting PDF documents currently.
     It can write those changes to stdout or directly create and update notes
     for papis documents.
 
diff --git a/papis_extract/formatter.py b/papis_extract/formatter.py
index 917e04c..76c977b 100644
--- a/papis_extract/formatter.py
+++ b/papis_extract/formatter.py
@@ -23,15 +23,13 @@ def format_markdown(
 
     heading = f"{document.get('title', '')} - {document.get('author', '')}"
     if headings == "atx":
-        output = f"# {heading}\n\n"
+        output += f"# {heading}\n\n"
     elif headings == "setext":
         title_decoration = (
             f"{'=' * len(document.get('title', ''))}   "
             f"{'-' * len(document.get('author', ''))}"
         )
-        output = f"{title_decoration}\n{heading}\n{title_decoration}\n\n"
-    else:
-        output = ""
+        output += f"{title_decoration}\n{heading}\n{title_decoration}\n\n"
 
     for a in annotations:
         output += a.format(template)