minor doc fixes

Author: pancetta

docs/source/projects/doc_node_failure_boussinesq.rst

@@ -2,7 +2,7 @@ Full code: `projects/node_failure/boussinesq_example.py <https://github.com/Para
 
 .. literalinclude:: ../../../projects/node_failure/boussinesq_example.py
 
-Results:
+Results (visualized by ``postproc_boussines``):
 
 .. image:: ../../../data/BOUSSINESQ_steps_vs_iteration_hf_SPREAD.png
    :width: 19%

docs/source/projects/doc_node_failure_grayscott.rst

@@ -2,7 +2,7 @@ Full code: `projects/node_failure/grayscott_example.py <https://github.com/Paral
 
 .. literalinclude:: ../../../projects/node_failure/grayscott_example.py
 
-Results:
+Results (visualized by ``postproc_grayscott``):
 
 .. image:: ../../../data/GRAYSCOTT_steps_vs_iteration_hf_SPREAD.png
    :width: 19%

docs/source/projects/doc_node_failure_hard_faults_detail.rst

@@ -2,7 +2,7 @@ Full code: `projects/node_failure/hard_faults_detail.py <https://github.com/Para
 
 .. literalinclude:: ../../../projects/node_failure/hard_faults_detail.py
 
-Results:
+Results (visualized by ``postproc_hard_faults_detail``):
 
 Heat equation:
 

docs/source/projects/doc_node_failure_hard_faults_test.rst

@@ -2,7 +2,7 @@ Full code: `projects/node_failure/hard_faults_test.py <https://github.com/Parall
 
 .. literalinclude:: ../../../projects/node_failure/hard_faults_test.py
 
-Results:
+Results (visualized by ``postproc_hard_faults_test``):
 
 Heat equation: