diff --git a/submission_thesis/CH2_FMEA/copy.tex b/submission_thesis/CH2_FMEA/copy.tex
index 7a627a3..140c553 100644
--- a/submission_thesis/CH2_FMEA/copy.tex
+++ b/submission_thesis/CH2_FMEA/copy.tex
@@ -193,7 +193,7 @@ typically of the form of examining scenarios such as
 %are examined. 
 % 
 %
-FMD-91 is a reference document released into the public domain by the United States DOD
+FMD-91~\cite{fmd91} is a reference document released into the public domain by the United States DOD
 and describes `failures' of common electronic components, with percentage statistics for each failure.
 %
 FMD-91 entries include general descriptions of  internal failures alongside {\fms} of use to an FMEA investigation.
@@ -418,7 +418,7 @@ For Op-Amp failures modes, FMD-91\cite{fmd91}{3-116] states,
 
 These are mostly internal causes of failure, more of interest to the component manufacturer
 than a test engineer % designer 
-looking for the symptoms of failure.
+looking for symptoms of failure.
 %
 These failure causes within the Op-Amp need to be translated to symptomatic {\fms}.
 %
@@ -570,13 +570,13 @@ $$ fm(OPAMP) = \{ LOW, HIGH, NOOP, LOW\_SLEW \} . $$
 
 
 The EN298 pinouts failure mode technique cannot reveal failure modes due to internal failures,
-and that is why it misses the $LOW\_SLEW$.
+and that is why it misses $LOW\_SLEW$.
 %
 The FMD-91 entries for op-amps are not directly usable as 
 component {\fms} in FMEA and require interpretation.
 %
-However, once a failure mode analysis has been carried out, the model can 
-be used throughout the FMEA  process.
+However, once a failure mode determination has been carried out, the model can 
+be re-used throughout the FMEA  process.
 
 %%%% Talk about R differences ?? XXXXX
 
@@ -734,7 +734,7 @@ the circuit behaviour is measured in finer granularity,
 %
 With this style of fault finding, because it is based on experiment, 
 hopping from module to module eliminating working ones, until  
-failure is found~\cite{maikowski}, it is efficient in terms of
+failure is found~\cite{maikowski}, is efficient in terms of
 concentrating effort.
 %
 The rationale and work-culture of those tasked to 
@@ -985,7 +985,7 @@ deduced).
 \fmmdglossRD
 Reasoning distance,   is the number of stages of logic and reasoning used
 in {\fm} analysis to map a failure cause to its potential outcomes; counted
-by th number of {\fm} to component checks made.
+by the number of {\fm} to component checks made.
 %
 The basic FMEA example in section~\ref{basicfmea}
 considered one {\fm} against some of  the components in the milli-volt reader.
@@ -1153,7 +1153,7 @@ cost, problems to be addressed in product production.
 It generally focuses on known problems and using their 
 statistical frequency %they occur 
 and their cost to fix multiplied gives a  Risk Priority Number (RPN)
-number for the germane component {\fm}.
+for the germane component {\fm}.
 %
 Fixing problems with the highest RPN number
 will return most cost benefit~\cite{bfmea}.
@@ -1274,7 +1274,7 @@ The highest $C_m$ values would represent the most dangerous or serious
 system level failures.
 The highest $C_m$ values would be at the top of a `to~fix' list
 for a project manager, and some levels of risk may be considered unacceptable
-and require re-design of some systems.
+and require re-design. % of some systems.
 \fmmdglossFMECA
 
 \section{FMEDA - Failure Modes Effects and Diagnostic Analysis}