diff --git a/Base/usr/share/man/man3/getopt.md b/Base/usr/share/man/man3/getopt.md
index b9953d5a28..1059a5bb21 100644
--- a/Base/usr/share/man/man3/getopt.md
+++ b/Base/usr/share/man/man3/getopt.md
@@ -7,7 +7,7 @@ getopt - parse command-line options
 ```**c++
 #include <getopt.h>
 
-extren int opterr;
+extern int opterr;
 extern int optopt;
 extern int optind;
 extern int optreset;