[FFmpeg-devel] [PATCH 4/5] version.sh: add a little usage comment

[Timothy Gu]

Signed-off-by: Timothy Gu <timothygu99 at gmail.com>
---
 version.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/version.sh b/version.sh
index 99945fd..4cda4d5 100755
--- a/version.sh
+++ b/version.sh
@@ -16,6 +16,8 @@
 # License along with FFmpeg; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
+# Usage: version.sh <ffmpeg-root-dir> <output-version.h> <extra-version>
+
 # check for git short hash
 if ! test "$revision"; then
     revision=$(cd "$1" && git describe --tags --match N 2> /dev/null)
-- 
1.8.3.2