[intro.refs] Update dated reference to previous POSIX standard

Fixes #5098
cplusplus · Nov 9, 2021 · 1567c48 · 1567c48
1 parent 280684c
commit 1567c48
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/intro.tex b/source/intro.tex
@@ -92,7 +92,7 @@
 \end{footnote}
 
 \pnum
-The operating system interface described in ISO/IEC 9945:2003 is
+The operating system interface described in ISO/IEC 9945:2009 is
 hereinafter called \defn{POSIX}.
 
 \pnum