diff --git a/docs/source/start.rst b/docs/source/start.rst
index 5c90345c3fb539c2736dc66d5ca62500fa89f1bd..3523c975c107aaf67d524b8e4b44890677f492a3 100644
--- a/docs/source/start.rst
+++ b/docs/source/start.rst
@@ -40,7 +40,7 @@ Unstructured spaces
 ...................
 
 There are domains (e.g. the data domain) which have no geometry associated to the individual data values.
-In NIFTy4 they are represented by the :py:class:`FieldArray` class, which is dreived from
+In NIFTy4 they are represented by the :py:class:`FieldArray` class, which is derived from
 :py:class:`DomainObject` and simply returns 1.0 as the volume element for every pixel and the total
 number of pixels as the total volume.
 
diff --git a/nifty4/__init__.py b/nifty4/__init__.py
index 68c51314d7c1e2cc51c0e04469b69acc277447e0..c0df5e30382ef4bda8f4f7863c9c8811d883c9d4 100644
--- a/nifty4/__init__.py
+++ b/nifty4/__init__.py
@@ -54,7 +54,7 @@ from . import library
 
 __all__= ["DomainObject", "FieldArray", "Space", "RGSpace", "LMSpace",
           "HPSpace", "GLSpace", "DOFSpace", "PowerSpace", "DomainTuple",
-          "LinearOperator", "EndomorphicOperator", "Scalingperator",
+          "LinearOperator", "EndomorphicOperator", "ScalingOperator",
           "DiagonalOperator", "FFTOperator", "FFTSmoothingOperator",
           "DirectSmoothingOperator", "ResponseOperator", "LaplaceOperator",
           "PowerProjectionOperator", "InversionEnabler",