diff --git a/old_thesis/introduction/introduction.tex b/old_thesis/introduction/introduction.tex
index c89c43a..fc3503d 100644
--- a/old_thesis/introduction/introduction.tex
+++ b/old_thesis/introduction/introduction.tex
@@ -45,7 +45,6 @@ diagrams to represent failure modes. Euler circles represented failure modes, th
 and could therefore model multiple failure modes
 and the spiders (or joining lines) represented the symptom abstraction process.
 A spider thus determined a common symptom which was caused by one or mode component failure modes.
-% AFTER 5 YEARS FUCKING ABOUT with this CUNTS mathematicians GET A REAL FUCKING JOB
 % At the 6 year point in this part time PhD I was finally appointed an electrical engineer.
 % and the process of writing a paper for presentation as a result of this
 % di-graphs instead were chosen.
@@ -57,6 +56,10 @@ processes, and to restrict the examples examined to the domain of electronics on
 \footnote{Because FMEA deals with failure modes, in a static context---and all base components, whether mechanical, electrical
 or software always have sets of failure modes associated with them---it should
 be possible to apply it across all domains, and thus model integrated mechanical/electrical/software systems.}
+The initial motivation to use spider diagrams, was that they presented a formal
+language in an intuitive and easy to use visual representation.
+Work on represnting failure modes, test cases and symptoms of failure
+has been placed in appendix~\ref{spiderfmmd}.
 
 \paragraph{Safety Critical Controllers, knowledge and culture sub-disiplines}
 The maturing of the application of the programmable electronic controller (PEC)