diff --git a/piker/accounting/__init__.py b/piker/accounting/__init__.py
index 7d7fbb85..6455df95 100644
--- a/piker/accounting/__init__.py
+++ b/piker/accounting/__init__.py
@@ -12,7 +12,6 @@
 # GNU Affero General Public License for more details.
 
 # You should have received a copy of the GNU Affero General Public License
-
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 '''
diff --git a/piker/accounting/_ledger.py b/piker/accounting/_ledger.py
index 14fca94c..3649e753 100644
--- a/piker/accounting/_ledger.py
+++ b/piker/accounting/_ledger.py
@@ -12,8 +12,12 @@
 # GNU Affero General Public License for more details.
 
 # You should have received a copy of the GNU Affero General Public License
-
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+'''
+Trade and transaction ledger processing.
+
+'''
 from __future__ import annotations
 from contextlib import contextmanager as cm
 import os
diff --git a/piker/accounting/_mktinfo.py b/piker/accounting/_mktinfo.py
index 19f1b87e..0a301986 100644
--- a/piker/accounting/_mktinfo.py
+++ b/piker/accounting/_mktinfo.py
@@ -12,7 +12,6 @@
 # GNU Affero General Public License for more details.
 
 # You should have received a copy of the GNU Affero General Public License
-
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 '''
diff --git a/piker/accounting/_pos.py b/piker/accounting/_pos.py
index 5bab2394..23c419fe 100644
--- a/piker/accounting/_pos.py
+++ b/piker/accounting/_pos.py
@@ -12,7 +12,6 @@
 # GNU Affero General Public License for more details.
 
 # You should have received a copy of the GNU Affero General Public License
-
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 '''
diff --git a/piker/accounting/_toml.py b/piker/accounting/_toml.py
index 9b02970d..7ac91b06 100644
--- a/piker/accounting/_toml.py
+++ b/piker/accounting/_toml.py
@@ -12,7 +12,6 @@
 # GNU Affero General Public License for more details.
 
 # You should have received a copy of the GNU Affero General Public License
-
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 '''