diff --git a/website/docs/9-cli-reference/uc_caddy_logs.md b/website/docs/9-cli-reference/uc_caddy_logs.md
index a7c3e1e8..57952a3a 100644
--- a/website/docs/9-cli-reference/uc_caddy_logs.md
+++ b/website/docs/9-cli-reference/uc_caddy_logs.md
@@ -21,13 +21,16 @@ uc caddy logs [flags]
   -m, --machine strings   Filter logs by machine name or ID. Can be specified multiple times or as a comma-separated list.
       --since string      Show logs generated on or after the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
                           Examples:
-                            --since 2m30s                      Relative duration (2 minutes 30 seconds ago)
-                            --since 1h                         Relative duration (1 hour ago)
+                            --since 1h45m                      Relative duration (1 hour 45 minutes ago)
+                                                               Supported units: d (day = 24h), h (hour), m (minute),
+                                                                                s (second), ms (millisecond),
+                                                                                us/µs (microsecond), ns (nanosecond)
                             --since 2025-11-24                 RFC 3339 date only (midnight using client local timezone)
                             --since 2024-05-14T22:50:00        RFC 3339 date/time using client local timezone
                             --since 2024-01-31T10:30:00Z       RFC 3339 date/time in UTC
                             --since 1763953966                 Unix timestamp (seconds since January 1, 1970)
-  -n, --tail string       Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs. (default "100")
+  -n, --tail string       Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs.
+                          Defaults to 100, or 'all' when --since is set.
       --until string      Show logs generated before the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
                           See --since for examples.
       --utc               Print timestamps in UTC instead of local timezone.
diff --git a/website/docs/9-cli-reference/uc_logs.md b/website/docs/9-cli-reference/uc_logs.md
index 09af3b3f..9f8e4dcd 100644
--- a/website/docs/9-cli-reference/uc_logs.md
+++ b/website/docs/9-cli-reference/uc_logs.md
@@ -56,13 +56,16 @@ uc logs [SERVICE[/CONTAINER]...] [flags]
   -m, --machine strings   Filter logs by machine name or ID. Can be specified multiple times or as a comma-separated list.
       --since string      Show logs generated on or after the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
                           Examples:
-                            --since 2m30s                      Relative duration (2 minutes 30 seconds ago)
-                            --since 1h                         Relative duration (1 hour ago)
+                            --since 1h45m                      Relative duration (1 hour 45 minutes ago)
+                                                               Supported units: d (day = 24h), h (hour), m (minute),
+                                                                                s (second), ms (millisecond),
+                                                                                us/µs (microsecond), ns (nanosecond)
                             --since 2025-11-24                 RFC 3339 date only (midnight using client local timezone)
                             --since 2024-05-14T22:50:00        RFC 3339 date/time using client local timezone
                             --since 2024-01-31T10:30:00Z       RFC 3339 date/time in UTC
                             --since 1763953966                 Unix timestamp (seconds since January 1, 1970)
-  -n, --tail string       Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs. (default "100")
+  -n, --tail string       Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs.
+                          Defaults to 100, or 'all' when --since is set.
       --until string      Show logs generated before the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
                           See --since for examples.
       --utc               Print timestamps in UTC instead of local timezone.
diff --git a/website/docs/9-cli-reference/uc_machine_logs.md b/website/docs/9-cli-reference/uc_machine_logs.md
index ae414eb2..634eb86a 100644
--- a/website/docs/9-cli-reference/uc_machine_logs.md
+++ b/website/docs/9-cli-reference/uc_machine_logs.md
@@ -52,13 +52,16 @@ uc machine logs [SERVICE...] [flags]
   -m, --machine strings   Filter logs by machine name or ID. Can be specified multiple times or as a comma-separated list.
       --since string      Show logs generated on or after the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
                           Examples:
-                            --since 2m30s                      Relative duration (2 minutes 30 seconds ago)
-                            --since 1h                         Relative duration (1 hour ago)
+                            --since 1h45m                      Relative duration (1 hour 45 minutes ago)
+                                                               Supported units: d (day = 24h), h (hour), m (minute),
+                                                                                s (second), ms (millisecond),
+                                                                                us/µs (microsecond), ns (nanosecond)
                             --since 2025-11-24                 RFC 3339 date only (midnight using client local timezone)
                             --since 2024-05-14T22:50:00        RFC 3339 date/time using client local timezone
                             --since 2024-01-31T10:30:00Z       RFC 3339 date/time in UTC
                             --since 1763953966                 Unix timestamp (seconds since January 1, 1970)
-  -n, --tail string       Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs. (default "100")
+  -n, --tail string       Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs.
+                          Defaults to 100, or 'all' when --since is set.
       --until string      Show logs generated before the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
                           See --since for examples.
       --utc               Print timestamps in UTC instead of local timezone.
diff --git a/website/docs/9-cli-reference/uc_service_logs.md b/website/docs/9-cli-reference/uc_service_logs.md
index 57e53e00..04c6b932 100644
--- a/website/docs/9-cli-reference/uc_service_logs.md
+++ b/website/docs/9-cli-reference/uc_service_logs.md
@@ -56,13 +56,16 @@ uc service logs [SERVICE[/CONTAINER]...] [flags]
   -m, --machine strings   Filter logs by machine name or ID. Can be specified multiple times or as a comma-separated list.
       --since string      Show logs generated on or after the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
                           Examples:
-                            --since 2m30s                      Relative duration (2 minutes 30 seconds ago)
-                            --since 1h                         Relative duration (1 hour ago)
+                            --since 1h45m                      Relative duration (1 hour 45 minutes ago)
+                                                               Supported units: d (day = 24h), h (hour), m (minute),
+                                                                                s (second), ms (millisecond),
+                                                                                us/µs (microsecond), ns (nanosecond)
                             --since 2025-11-24                 RFC 3339 date only (midnight using client local timezone)
                             --since 2024-05-14T22:50:00        RFC 3339 date/time using client local timezone
                             --since 2024-01-31T10:30:00Z       RFC 3339 date/time in UTC
                             --since 1763953966                 Unix timestamp (seconds since January 1, 1970)
-  -n, --tail string       Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs. (default "100")
+  -n, --tail string       Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs.
+                          Defaults to 100, or 'all' when --since is set.
       --until string      Show logs generated before the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
                           See --since for examples.
       --utc               Print timestamps in UTC instead of local timezone.