fix the is_bilevel() method index entry

diff --git a/Imager.pm b/Imager.pm
index df530725a99407c539deb1ba577cc125f6a161af..5b3dccd14d03a1256cda60e8e19566bc5ccf8e6c 100644 (file)
--- a/Imager.pm
+++ b/Imager.pm
@@ -3942,7 +3942,7 @@ img_set() - L<Imager::ImageTypes/img_set>
 
 init() - L<Imager::ImageTypes/init>
 
-is_bilevel - L<Imager::ImageTypes/is_bilevel>
+is_bilevel() - L<Imager::ImageTypes/is_bilevel>
 
 line() - L<Imager::Draw/line>