diff --git a/doc/rtd/content/99_appendices/appendix2/sub/mlpro_oa/streams/10_preprocessing.rst b/doc/rtd/content/99_appendices/appendix2/sub/mlpro_oa/streams/10_preprocessing.rst
index 65d940ef3..0636b569a 100644
--- a/doc/rtd/content/99_appendices/appendix2/sub/mlpro_oa/streams/10_preprocessing.rst
+++ b/doc/rtd/content/99_appendices/appendix2/sub/mlpro_oa/streams/10_preprocessing.rst
@@ -6,9 +6,6 @@ Preprocessing
    :scale: 50%
    
 
-Boundary detector
------------------
-
 .. automodule:: mlpro.oa.streams.tasks.boundarydetector
    :members:
    :undoc-members:
@@ -16,9 +13,6 @@ Boundary detector
    :show-inheritance:
 
 
-Normalizer MinMax
------------------
-
 .. automodule:: mlpro.oa.streams.tasks.normalizers.minmax
    :members:
    :undoc-members:
@@ -26,9 +20,6 @@ Normalizer MinMax
    :show-inheritance:
 
 
-Normalizer ZTrans
------------------
-
 .. automodule:: mlpro.oa.streams.tasks.normalizers.ztrans
    :members:
    :undoc-members:
diff --git a/doc/rtd/content/99_appendices/appendix2/sub/mlpro_oa/streams/20_cluster_analysis.rst b/doc/rtd/content/99_appendices/appendix2/sub/mlpro_oa/streams/20_cluster_analysis.rst
index ad16cdca7..7367023bc 100644
--- a/doc/rtd/content/99_appendices/appendix2/sub/mlpro_oa/streams/20_cluster_analysis.rst
+++ b/doc/rtd/content/99_appendices/appendix2/sub/mlpro_oa/streams/20_cluster_analysis.rst
@@ -6,9 +6,6 @@ Cluster analysis
    :scale: 50%
    
    
-Template for cluster algorithms
--------------------------------
-
 .. automodule:: mlpro.oa.streams.tasks.clusteranalyzers.basics
    :members:
    :undoc-members:
@@ -16,9 +13,6 @@ Template for cluster algorithms
    :show-inheritance:
 
 
-Template for clusters
----------------------
-
 .. automodule:: mlpro.oa.streams.tasks.clusteranalyzers.clusters.basics
    :members:
    :undoc-members:
@@ -26,9 +20,6 @@ Template for clusters
    :show-inheritance:
 
 
-Centroid-based clusters
------------------------
-
 .. automodule:: mlpro.oa.streams.tasks.clusteranalyzers.clusters.centroid
    :members:
    :undoc-members: