[rand.dist.norm.f] Fix typo

Rageking8 · tkoeppe · commit 648267c99a7a · 2025-08-18T14:14:48.000+01:00
diff --git a/source/numerics.tex b/source/numerics.tex
@@ -6082,7 +6082,7 @@
 \end{formula}
 
 \indexlibraryglobal{fisher_f_distribution}%
-\indexlibrarymember{result_type}{fisher_distribution}%
+\indexlibrarymember{result_type}{fisher_f_distribution}%
 \begin{codeblock}
 namespace std {
   template<class RealType = double>
