diff --git a/tex/thesis.tex b/tex/thesis.tex
index 17e2bd3..9bdc9b6 100644
--- a/tex/thesis.tex
+++ b/tex/thesis.tex
@@ -1665,7 +1665,7 @@ cells, which was why the \ptmemp{} was so low compared to other data
   {\glspl{dms} expand T cells robustly in Grex bioreactors.
     \subcap{fig:grex_results_fc}{Fold change of T cells over time.}
     \subcap{fig:grex_results_viability}{Viability of T cells over time.}
-    \subcap{fig:grex_results_viability}{Phenotype of T cells after \SI{14}{\day}
+    \subcap{fig:grex_results_viability}{\pthp{} of T cells after \SI{14}{\day}
     of expansion.}
   }
   \label{fig:grex_results}