diff --git a/submission_thesis/CH4_FMMD/copy.tex b/submission_thesis/CH4_FMMD/copy.tex
index bb02147..4e7a9c1 100644
--- a/submission_thesis/CH4_FMMD/copy.tex
+++ b/submission_thesis/CH4_FMMD/copy.tex
@@ -51,14 +51,12 @@ paper
 {
 chapter 
 }
-describes the data types and concepts for the Failure Mode Modular De-composition (FMMD) method.
-When analysing a safety critical system using 
-any form of Failure Mode Effects Analysis (FMEA), we need clearly defined failure modes for
-all the components that are used in a given system.
-%
-We introduce a constraint  that
-component failure modes must be mutually exclusive within individual components.
-This concept is later developed as the condition of `unitary state' fault modes (see section~\ref{sec:unitarystate}). 
+starts with a worked example of the new methodology Failure Mode Modular De-composition (FMMD), and then
+describes the data types and concepts for the  method, using these a UML class model is built
+and then notation is developed.
+
+
+
 %When this constraint is complied with, we can use the FMMD method to 
 %build hierarchical bottom-up models of failure mode behaviour.
 %This and the definition of a component are 
@@ -84,7 +82,7 @@ This concept is later developed as the condition of `unitary state' fault modes
 
 
 
-To demonstrate the principles behind FMMD, we analyse a 
+To demonstrate the principles behind FMMD, we use it to analyse a 
 commonly used circuit, the non-inverting  op amp~\cite{aoe}[p.234], shown in figure \ref{fig:noninvamp}.
 
 
@@ -547,7 +545,13 @@ of component failures.
 
 \clearpage
 
-
+% When analysing a safety critical system using 
+% any form of Failure Mode Effects Analysis (FMEA), we need clearly defined failure modes for
+% all the components that are used in a given system.
+% %
+% We introduce a constraint  that
+% component failure modes must be mutually exclusive within individual components.
+% This concept is later developed as the condition of `unitary state' fault modes (see section~\ref{sec:unitarystate}). 
 
 \section{Defining terms}
 
diff --git a/submission_thesis/Makefile b/submission_thesis/Makefile
index 85b9714..50ef246 100644
--- a/submission_thesis/Makefile
+++ b/submission_thesis/Makefile
@@ -4,7 +4,7 @@
 all: bib chapters_sub_make
 	pdflatex thesis
 	makeindex thesis.glo -s thesis.ist -t thesis.glg -o thesis.gls
-	acroread thesis.pdf
+	acroread thesis.pdf || evince thesis.pdf
 
 clean:
 	#touch ${CHAPTERS}