[alg.copy] Add period to end of sentence

Andreas-Krug · tkoeppe · commit 5047d04a825a · 2025-07-17T14:03:59.000+01:00
diff --git a/source/algorithms.tex b/source/algorithms.tex
@@ -6417,7 +6417,7 @@
 for the overload in namespace \tcode{std}.
 
 \pnum
-Let $N$ be $\min(\tcode{last - first}, \ \tcode{result_last - result})$
+Let $N$ be $\min(\tcode{last - first}, \ \tcode{result_last - result})$.
 
 \pnum
 \expects
