diff --git a/src/gmirator/synchronise.py b/src/gmirator/synchronise.py
index 2dbf4ec..b669f36 100644
--- a/src/gmirator/synchronise.py
+++ b/src/gmirator/synchronise.py
@@ -1,3 +1,5 @@
+from typing import Annotated
+import logging
 import typer
 import subprocess
 import shlex
@@ -12,18 +14,31 @@ from gmirator import (
 app = typer.Typer(help="syncs your files with configured remote")
 
 @app.command("gmi")
-def sync_gmi():
-    print("Synchronising GMI content with remote...")
-    print(f'rsync -aP -e "ssh -p {RPORT}" {DIR_SOURCE} {REM_GMI}')
-    subprocess.call(
-        shlex.split(f'rsync -aP -e "ssh -p {RPORT}" {DIR_SOURCE} {REM_GMI}')
-    )
-    print("Done!")
+def sync_gmi(
+    dry_run: Annotated[
+        bool, typer.Option(help="dry runs the synchronisation")
+    ] = False
+):
+    logging.info(" Start synchronising GMI content with remote...")
+    sync_with_remote(RPORT, DIR_SOURCE, REM_GMI, dry_run)
+    logging.info(" Synchronisation of Gemini content with remote : done!")
 
 @app.command("html")
-def sync_html():
-    print("Synchronising HTML content with remote...")
+def sync_html(
+    dry_run: Annotated[
+        bool, typer.Option(help="dry runs the synchronisation")
+    ] = False
+):
+    logging.info(" Start synchronising HTML content with remote...")
+    sync_with_remote(RPORT, DIR_O_HTML, REM_HTML, dry_run)
+    logging.info(" Synchronisation of HTML content with remote: done!")
+
+def sync_with_remote(port: str, source, dest, dry_run: bool):
+    if dry_run:
+        rsync_command = f'rsync -aP --dry-run -e "ssh -p {port}" {source} {dest}'
+    else:
+        rsync_command = f'rsync -aP -e "ssh -p {port}" {source} {dest}'
+    logging.info(" " + rsync_command)
     subprocess.call(
-        shlex.split(f'rsync -aP -e "ssh -p {RPORT}" {DIR_O_HTML} {REM_HTML}')
+        shlex.split(rsync_command)
     )
-    print("Done!")