diff --git a/submission_thesis/CH2_FMEA/copy.tex b/submission_thesis/CH2_FMEA/copy.tex
index 0494ab7..721403c 100644
--- a/submission_thesis/CH2_FMEA/copy.tex
+++ b/submission_thesis/CH2_FMEA/copy.tex
@@ -212,7 +212,8 @@ from them can be on the conservative side.
 \frategloss
 \fmmdglossFIT
 %
-A FIT value for a micro-processor
+A FIT\footnote{Failure rates measured per $10^9$ hours of operation
+are known as Failure in Time (FIT) values.} value for a micro-processor
 may be determined at around 100 using these documents for instance, but
 FIT claims for modern integrated micro-controllers are typically less than five~\cite{microchipreliability}.
 %
@@ -920,7 +921,7 @@ FMEA is less useful for determining events for multiple
 simultaneous 
 failures\footnote{Multiple simultaneous failures are taken to mean failures that occur within the same detection period.
 Detection periods are typically determined for the process under control. For instance, for a flame detector in an industrial burner this
-could typically be one second.~\cite{en298}}. 
+is typically one second.~\cite{en298}}. 
 %
 Work has been performed using component failure statistics to
 offer the more likely multiple failures~\cite{FMEAmultiple653556} for analysis.