diff --git a/pyerrors/correlators.py b/pyerrors/correlators.py
index 9c1ef29c..7e333cdb 100644
--- a/pyerrors/correlators.py
+++ b/pyerrors/correlators.py
@@ -14,7 +14,7 @@ class Corr:
 
     Everything, this class does, can be achieved using lists or arrays of Obs.
     But it is simply more convenient to have a dedicated object for correlators.
-    One often wants to add or multiply correlators of the same length at every timeslice and it is inconvinient
+    One often wants to add or multiply correlators of the same length at every timeslice and it is inconvenient
     to iterate over all timeslices for every operation. This is especially true, when dealing with smearing matrices.
 
     The correlator can have two types of content: An Obs at every timeslice OR a GEVP
@@ -317,7 +317,7 @@ class Corr:
         Parameters
         ----------
         symmetric : bool
-            decides whether symmertic of simple finite differences are used. Default: True
+            decides whether symmetric of simple finite differences are used. Default: True
         """
         if not symmetric:
             newcontent = []
@@ -415,7 +415,7 @@ class Corr:
             return np.arccosh(Corr(newcontent, padding_back=1, padding_front=1))
 
         else:
-            raise Exception('Unkown variant.')
+            raise Exception('Unknown variant.')
 
     def fit(self, function, fitrange=None, silent=False, **kwargs):
         """Fits function to the data
@@ -433,7 +433,7 @@ class Corr:
         if self.N != 1:
             raise Exception("Correlator must be projected before fitting")
 
-        # The default behaviour is:
+        # The default behavior is:
         # 1 use explicit fitrange
         # if none is provided, use the range of the corr
         # if this is also not set, use the whole length of the corr (This could come with a warning!)
@@ -451,7 +451,7 @@ class Corr:
         return result
 
     def plateau(self, plateau_range=None, method="fit"):
-        """ Extract a plateu value from a Corr object
+        """ Extract a plateau value from a Corr object
 
         Parameters
         ----------
@@ -582,7 +582,7 @@ class Corr:
         return
 
     def dump(self, filename):
-        """Dumps the Corr into a pickel file
+        """Dumps the Corr into a pickle file
 
         Parameters
         ----------
diff --git a/pyerrors/fits.py b/pyerrors/fits.py
index 686ed81f..291a5568 100644
--- a/pyerrors/fits.py
+++ b/pyerrors/fits.py
@@ -21,7 +21,7 @@ class Fit_result(Sequence):
     ----------
     fit_parameters : list
         results for the individual fit parameters,
-        also accesible via indices.
+        also accessible via indices.
     """
 
     def __init__(self):
@@ -427,7 +427,7 @@ def _standard_fit(x, y, func, silent=False, **kwargs):
         raise Exception('x and y input have to have the same length')
 
     if len(x.shape) > 2:
-        raise Exception('Unkown format for x values')
+        raise Exception('Unknown format for x values')
 
     if not callable(func):
         raise TypeError('func has to be a function.')
diff --git a/pyerrors/linalg.py b/pyerrors/linalg.py
index c1a042fb..d993f291 100644
--- a/pyerrors/linalg.py
+++ b/pyerrors/linalg.py
@@ -175,7 +175,7 @@ def inv(x):
 
 
 def cholesky(x):
-    """Cholesky decompostion of Obs or CObs valued matrices."""
+    """Cholesky decomposition of Obs or CObs valued matrices."""
     return _mat_mat_op(anp.linalg.cholesky, x)
 
 
diff --git a/pyerrors/obs.py b/pyerrors/obs.py
index 8ef64353..6f29d01d 100644
--- a/pyerrors/obs.py
+++ b/pyerrors/obs.py
@@ -59,7 +59,7 @@ class Obs:
         samples : list
             list of numpy arrays containing the Monte Carlo samples
         names : list
-            list of strings labeling the indivdual samples
+            list of strings labeling the individual samples
         idl : list, optional
             list of ranges or lists on which the samples are defined
         means : list, optional
@@ -314,9 +314,9 @@ class Obs:
         deltas : list
             List of fluctuations
         idx : list
-            List or range of configs on which the deltas are defined.
+            List or range of configurations on which the deltas are defined.
         shape : int
-            Number of configs in idx.
+            Number of configurations in idx.
         w_max : int
             Upper bound for the summation window.
         fft : bool
@@ -1109,7 +1109,7 @@ def _reduce_deltas(deltas, idx_old, idx_new):
         Has to be a subset of idx_old.
     """
     if not len(deltas) == len(idx_old):
-        raise Exception('Lenght of deltas and idx_old have to be the same: %d != %d' % (len(deltas), len(idx_old)))
+        raise Exception('Length of deltas and idx_old have to be the same: %d != %d' % (len(deltas), len(idx_old)))
     if type(idx_old) is range and type(idx_new) is range:
         if idx_old == idx_new:
             return deltas