Improve wording in render script documentation

diff --git a/gfx/medals/render.sh b/gfx/medals/render.sh
index f5a9c3d001e924173693d2225663bc44c86111e5..75e2b80cea4249954d5421624999d48a699f4322 100755 (executable)
--- a/gfx/medals/render.sh
+++ b/gfx/medals/render.sh
@@ -10,7 +10,7 @@
 #   advpng   (Compresses with zopfli algorithm)
 #
 # USAGE
-#   $0 SIZE(2^n, optimal=64)
+#   $0 SIZE(Power of two, optimal=64)
 #      GAMETYPE(ca|ctf|cts|dm|dom|duel|ft|insta|ka|kh|lms|nb|ons|tdm|xonotic) \
 #      MONTH(JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC) \
 #      YEAR(YY)