diff --git a/relative-xopp-background b/relative-xopp-background
index 6a1e253..9b22c3c 100755
--- a/relative-xopp-background
+++ b/relative-xopp-background
@@ -25,11 +25,12 @@ try:
 except ImportError as e:
     print(f'Optional dependency "notify2" is not available. {MSG_FALLBACK_STR}')
 except Exception as e:
-    print(f'Error during import or initialization of notify2. Is the dependency "dbus-python" missing? {MSG_FALLBACK_STR}')
+    print(f'Error during import or initialization of notify2. '
+          f'Is the dependency "dbus-python" missing? {MSG_FALLBACK_STR}')
 
 
 def main():
-    modified_files=0
+    modified_files = 0
     xopp_files: List[Path] = []
     try:
         xopp_files = parse_args()
@@ -103,19 +104,21 @@ def save_relative_paths(xopp_file: Path) -> int:
     if not root.tag == 'xournal':
         raise Exception(f'Unexpected root element: {root.tag}')
 
-    child1: Element
-    for child1 in root:
-        if child1.tag == 'page':
-            child2: Element
-            for child2 in child1:
-                if child2.tag == 'background' \
-                        and 'type' in child2.attrib \
-                        and child2.attrib['type'] == 'pdf' \
-                        and 'domain' in child2.attrib \
-                        and child2.attrib['domain'] == 'absolute' \
-                        and 'filename' in child2.attrib:
-                    print(f'type: {child2.tag}, attrib: {child2.attrib}')
-                    abs_pdf: Path = Path(child2.attrib['filename'])
+    page: Element
+    for page in root:
+        if page.tag == 'page':
+
+            background: Element
+            for background in page:
+                if background.tag == 'background' \
+                        and 'type' in background.attrib \
+                        and background.attrib['type'] == 'pdf' \
+                        and 'domain' in background.attrib \
+                        and background.attrib['domain'] == 'absolute' \
+                        and 'filename' in background.attrib:
+
+                    print(f'type: {background.tag}, attrib: {background.attrib}')
+                    abs_pdf: Path = Path(background.attrib['filename'])
 
                     if not abs_pdf.is_absolute():
                         continue  # No action required as the path is already relative
@@ -127,7 +130,7 @@ def save_relative_paths(xopp_file: Path) -> int:
                     rel_pdf: Path = xopp_file.parent.joinpath(abs_pdf.name)
                     if rel_pdf.exists():
                         # Replace absolute with relative path
-                        child2.attrib['filename'] = abs_pdf.name
+                        background.attrib['filename'] = abs_pdf.name
                         xml_modified = True
                     else:
                         print("The PDF file was neither found at it's absolute path"