diff --git a/nifty/minimization/line_searching/line_search.py b/nifty/minimization/line_searching/line_search.py
index 9456b9acca50ff6dc8d3a3f7fe6dda1ffb397150..419569560658f3edf3b3c7b3fbfc4691a9282dde 100644
--- a/nifty/minimization/line_searching/line_search.py
+++ b/nifty/minimization/line_searching/line_search.py
@@ -44,9 +44,6 @@ class LineSearch(Loggable, object):
     __metaclass__ = abc.ABCMeta
 
     def __init__(self):
-
-
-
         self.line_energy = None
         self.f_k_minus_1 = None
         self.preferred_initial_step_size = None
diff --git a/nifty/minimization/line_searching/line_search_strong_wolfe.py b/nifty/minimization/line_searching/line_search_strong_wolfe.py
index bf0eeb8c1c6e484d550eb9d6a9b538582b6d9526..46010bd3e88c9ba713759f8d348f876e77e6e947 100644
--- a/nifty/minimization/line_searching/line_search_strong_wolfe.py
+++ b/nifty/minimization/line_searching/line_search_strong_wolfe.py
@@ -175,7 +175,6 @@ class LineSearchStrongWolfe(LineSearch):
                 break
             phi_alpha0 = phi_alpha1
             phiprime_alpha0 = phiprime_alpha1
-            # phi_alpha1 = self._phi(alpha1)
 
         else:
             # max_iterations was reached
@@ -201,9 +200,10 @@ class LineSearchStrongWolfe(LineSearch):
         Parameters
         ----------
         alpha_lo : float
-            The lower boundary for the step length interval.
+            A boundary for the step length interval.
+            Fulfills Wolfe condition 1.
         alpha_hi : float
-            The upper boundary for the step length interval.
+            The other boundary for the step length interval.
         phi_0 : float
             Value of the energy at the starting point of the line search
             algorithm.