Fixed wrong reference.

src/measure/measure/localisable.tex

@@ -163,7 +163,7 @@
     
     Therefore $f$ is the desired function. 
 
-    Now suppose that $Y$ is an arbitrary separable metrisable space. By \autoref{lemma:admissible-approximant-existence}, there exists $\seq{I_n} \subset Y^Y$ such that:
+    Now suppose that $Y$ is an arbitrary separable metrisable space. By \autoref{lemma:separable-metric-space-approx-identity}, there exists $\seq{I_n} \subset Y^Y$ such that:
     \begin{enumerate}[label=(\roman*)]
         \item $I_n \to \text{Id}$ pointwise as $n \to \infty$. 
         \item For each $n \in \natp$, $I_n(Y)$ is finite and Borel measurable.