diff --git a/archivebox/cli/archivebox_list.py b/archivebox/cli/archivebox_list.py
index 1f2ee8c5..5477bfc8 100644
--- a/archivebox/cli/archivebox_list.py
+++ b/archivebox/cli/archivebox_list.py
@@ -45,7 +45,7 @@ def main(args: Optional[List[str]]=None, stdin: Optional[IO]=None, pwd: Optional
     group.add_argument(
         '--json', #'-j',
         action='store_true',
-        help="Print the output in JSON format with all columns included.",
+        help="Print the output in JSON format with all columns included",
     )
     group.add_argument(
         '--html',
@@ -60,19 +60,19 @@ def main(args: Optional[List[str]]=None, stdin: Optional[IO]=None, pwd: Optional
     parser.add_argument(
         '--sort', #'-s',
         type=str,
-        help="List the links sorted using the given key, e.g. timestamp or updated.",
+        help="List the links sorted using the given key, e.g. timestamp or updated",
         default=None,
     )
     parser.add_argument(
         '--before', #'-b',
         type=float,
-        help="List only links bookmarked before the given timestamp.",
+        help="List only links bookmarked before (less than) the given timestamp",
         default=None,
     )
     parser.add_argument(
         '--after', #'-a',
         type=float,
-        help="List only links bookmarked after the given timestamp.",
+        help="List only links bookmarked after (greater than or equal to) the given timestamp",
         default=None,
     )
     parser.add_argument(
@@ -108,14 +108,14 @@ def main(args: Optional[List[str]]=None, stdin: Optional[IO]=None, pwd: Optional
         nargs='*',
         type=str,
         default=None,
-        help='List only URLs matching these filter patterns.'
+        help='List only URLs matching these filter patterns'
     )
     command = parser.parse_args(args or ())
     reject_stdin(stdin)
 
     if command.with_headers and not (command.json or command.html or command.csv):
         stderr(
-            '[X] --with-headers can only be used with --json, --html or --csv options.\n',
+            '[X] --with-headers can only be used with --json, --html or --csv options\n',
             color='red',
         )
         raise SystemExit(2)
diff --git a/tests/test_remove.py b/tests/test_remove.py
index 2ae23c11..77189ae7 100644
--- a/tests/test_remove.py
+++ b/tests/test_remove.py
@@ -100,16 +100,18 @@ def test_remove_before(tmp_path, process, disable_extractors_dict):
 
     conn = sqlite3.connect("index.sqlite3")
     c = conn.cursor()
-    timestamp = c.execute("SELECT timestamp FROM core_snapshot ORDER BY timestamp DESC").fetchall()
+    higherts, lowerts = timestamp = c.execute("SELECT timestamp FROM core_snapshot ORDER BY timestamp DESC").fetchall()
     conn.commit()
     conn.close()
 
-    before = list(map(lambda x: int(x[0].split(".")[0]), timestamp))
+    lowerts = lowerts[0].split(".")[0]
+    higherts = higherts[0].split(".")[0]
 
-    subprocess.run(['archivebox', 'remove', '--filter-type=regex', '.*', '--yes', '--delete', '--before', str(before[1])], capture_output=True)
+    # before is less than, so only the lower snapshot gets deleted
+    subprocess.run(['archivebox', 'remove', '--filter-type=regex', '.*', '--yes', '--delete', '--before', higherts], capture_output=True)
 
-    assert (tmp_path / "archive" / timestamp[0][0]).exists()
-    assert not (tmp_path / "archive" / timestamp[1][0]).exists()
+    assert not (tmp_path / "archive" / lowerts).exists()
+    assert (tmp_path / "archive" / higherts).exists()
 
 def test_remove_after(tmp_path, process, disable_extractors_dict):
     subprocess.run(['archivebox', 'add', 'http://127.0.0.1:8080/static/example.com.html'], capture_output=True, env=disable_extractors_dict)
@@ -118,13 +120,15 @@ def test_remove_after(tmp_path, process, disable_extractors_dict):
 
     conn = sqlite3.connect("index.sqlite3")
     c = conn.cursor()
-    timestamp = c.execute("SELECT timestamp FROM core_snapshot ORDER BY timestamp DESC").fetchall()
+    higherts, lowerts = c.execute("SELECT timestamp FROM core_snapshot ORDER BY timestamp DESC").fetchall()
     conn.commit()
     conn.close()
 
-    after = list(map(lambda x: int(x[0].split(".")[0]), timestamp))
+    lowerts = lowerts[0].split(".")[0]
+    higherts = higherts[0].split(".")[0]
 
-    subprocess.run(['archivebox', 'remove', '--filter-type=regex', '.*', '--yes', '--delete', '--after', str(after[1])], capture_output=True)
+    # after is greater than or equal to, so both snapshots get deleted
+    subprocess.run(['archivebox', 'remove', '--filter-type=regex', '.*', '--yes', '--delete', '--after', lowerts], capture_output=True)
 
-    assert (tmp_path / "archive" / timestamp[1][0]).exists()
-    assert not (tmp_path / "archive" / timestamp[0][0]).exists()
+    assert not (tmp_path / "archive" / lowerts).exists()
+    assert not (tmp_path / "archive" / higherts).exists()