diff --git a/SC2086.md b/SC2086.md
index 590a872..f8400d9 100644
--- a/SC2086.md
+++ b/SC2086.md
@@ -66,7 +66,7 @@ make_with_flags() {
 make_with_flags file
 ```
 
-To split on spaces but not perform glob expansion, Posix has a `set -f` to disable globbing.  You can disable word splitting by setting `IFS=''`.
+To split on spaces but not perform glob expansion, POSIX has a `set -f` to disable globbing.  You can disable word splitting by setting `IFS=''`.
 
 Similarly, you might want an optional argument: