diff --git a/.all-contributorsrc b/.all-contributorsrc
index 409e935..3171aab 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -102,6 +102,6 @@
     }
   ],
   "contributorsPerLine": 5,
-  "skipCi": true,
+  "skipCi": false,
   "commitType": "docs"
 }
diff --git a/README.md b/README.md
index a409081..b71fe56 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ $ pdfly --help
 ╰─────────────────────────────────────────────────────────────────────────────╯
 ```
 
-You can see the help of every subcommand by typing:
+You can see the help of every subcommand by typing `--help`:
 
 ```console
 $ pdfly 2-up --help
diff --git a/pdfly/cli.py b/pdfly/cli.py
index 32dac25..afd543d 100644
--- a/pdfly/cli.py
+++ b/pdfly/cli.py
@@ -283,7 +283,7 @@ def update_offsets(
             resolve_path=True,
         ),
     ],
-    file_out: Path,
+    file_out: Path = typer.Option(None, "-o", "--output"),
     encoding: str = typer.Option(
         "ISO-8859-1",
         help="Encoding used to read and write the files, e.g. UTF-8.",
diff --git a/pdfly/update_offsets.py b/pdfly/update_offsets.py
index 92b7626..0d9c9a0 100644
--- a/pdfly/update_offsets.py
+++ b/pdfly/update_offsets.py
@@ -277,6 +277,8 @@ def read_binary_file(file_path: Path, encoding: str) -> List[str]:
 
 
 def main(file_in: Path, file_out: Path, encoding: str, verbose: bool) -> None:
+    if not file_out:
+        file_out = file_in
     console = Console()
     console.print(f"Read {file_in}")