add fatigue gls prefix

glossary.tex

@@ -63,6 +63,7 @@
 \newglossaryentry{fatigue}{
   name={Fatigue Point},
   nonumberlist,
+  prefix={a\space},
   description={A measure of how tired a character is.
   Characters can put up with a number of Fatigue Points equal to their \glsentrytext{hp}, after which they receive penalties to act}
 }