cap_fileargs: fix typo

lib/libcasper/services/cap_fileargs/cap_fileargs.3

@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 8, 2025
+.Dd May 13, 2026
 .Dt CAP_FILEARGS 3
 .Os
 .Sh NAME
@@ -208,7 +208,7 @@ The following arguments are required:
 Specifies access permissions for opened files.
 .It mode Pq Dv NV_TYPE_NUMBER
 Required when the
-.Dv O_CREATE
+.Dv O_CREAT
 flag is set in
 .Va flags .
 Specifies the permissions to use when creating new files.