diff --git a/src/tools21cm/nbody_file.py b/src/tools21cm/nbody_file.py
index 73c3b0d..4a036fe 100644
--- a/src/tools21cm/nbody_file.py
+++ b/src/tools21cm/nbody_file.py
@@ -99,9 +99,6 @@ def get_npart(self):
 
 
 	def read_from_file(self, node=None):
-		'''
-		Read data from file.
-		'''
 		if node != None:
 			self.node = node
 		else:
diff --git a/src/tools21cm/tau.py b/src/tools21cm/tau.py
index b507a0c..8c9aad1 100644
--- a/src/tools21cm/tau.py
+++ b/src/tools21cm/tau.py
@@ -93,12 +93,9 @@ def tau_map(ionfractions, redshifts=None, num_points=50, reading_function=None):
     tuple
         A tuple containing:
         - tau_0 : ndarray
-            Optical depth values at each spatial position and redshift.
-            The shape is `(N_x, N_y, N_z + num_points)`, where `N_x` and `N_y` are spatial
-            dimensions, and `N_z` is the number of redshift slices in `output_z`.
+            Optical depth values at each spatial position and redshift. The shape is `(N_x, N_y, N_z + num_points)`, where `N_x` and `N_y` are spatial dimensions, and `N_z` is the number of redshift slices in `output_z`.
         - tau_z : ndarray
-            Array of redshift values corresponding to each slice in `tau_0`.
-            The length is `N_z + num_points`.
+            Array of redshift values corresponding to each slice in `tau_0`. The length is `N_z + num_points`.
 
     """
     if redshifts is None: