process: solve building error

Ref: closes #310

Author: PandaeDo

process/process_areas/safety_analysis/guidance/safety_analysis_guideline.rst

@@ -126,4 +126,4 @@ So it could be shown that the analysis was done and no fault model is applicable
 |    :argument:
 |    :status: valid
 
-The example is also used in the concept description <score_building_block_example> and also in the building blocks <:ref:`building_block_example`>.
+The example is also used in the concept description <score_building_block_example> and also in the building blocks <building_block_example>.