diff --git a/pyproject.toml b/pyproject.toml
index 820ba92..790e960 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,7 +81,7 @@ select = [
     "I",    # isort, see https://beta.ruff.rs/docs/rules/#isort-i
 #    "N",    # pep8-naming, see https://beta.ruff.rs/docs/rules/#pep8-naming-n
     "PTH",  # flake9-use-pathlib, https://beta.ruff.rs/docs/rules/#flake8-use-pathlib-pth
-#    "TD",   # flake8-todos, https://docs.astral.sh/ruff/rules/#flake8-todos-td
+    "TD",   # flake8-todos, https://docs.astral.sh/ruff/rules/#flake8-todos-td
 ]
 ignore = [
     # pycodestyle
diff --git a/src/lamberthub/universal_solvers/arora.py b/src/lamberthub/universal_solvers/arora.py
index 8647ebe..b47b7bf 100644
--- a/src/lamberthub/universal_solvers/arora.py
+++ b/src/lamberthub/universal_solvers/arora.py
@@ -586,9 +586,8 @@ def _get_W2prime(k, W, W_prime, epsilon=2e-2):
         W_2prime = _get_Ws2prime(k)
 
     else:
-        # TODO: a minus sign before "m" is imposed in original report. However,
-        # if placed, it does not provide convergence. This needs further
-        # investigation
+        # TODO: a minus sign before "m" is imposed in original report
+        # https://github.com/jorgepiloto/lamberthub/issues/151
 
         # W_2prime = (5 * W_prime * k + 3 * W) / -m
         W_2prime = (5 * W_prime * k + 3 * W) / m
diff --git a/src/lamberthub/universal_solvers/gooding.py b/src/lamberthub/universal_solvers/gooding.py
index f5ea14c..ad96f0c 100644
--- a/src/lamberthub/universal_solvers/gooding.py
+++ b/src/lamberthub/universal_solvers/gooding.py
@@ -488,9 +488,7 @@ def d8rt(x):
                 # GOTO 3
                 goto3 = True
 
-    # --- THE ITERATION METHOD STARTS NOW ---
-    # The iterative Halley method starts now
-    # TODO: THIS IS THE HALLEY METHOD
+    # --- THE ITERATION METHOD FOR HALLEY STARTS NOW ---
 
     while True:
         # 5: LINE OF STATEMENT
diff --git a/src/lamberthub/universal_solvers/izzo.py b/src/lamberthub/universal_solvers/izzo.py
index 259e2e5..ec5bc9d 100644
--- a/src/lamberthub/universal_solvers/izzo.py
+++ b/src/lamberthub/universal_solvers/izzo.py
@@ -220,7 +220,6 @@ def _tof_equation_y(x, y, T0, ll, M):
 
 @jit
 def _tof_equation_p(x, y, T, ll):
-    # TODO: What about derivatives when x approaches 1?
     return (3 * T * x - 2 + 2 * ll**3 * x / y) / (1 - x**2)