Fix typo

Signed-off-by: MabinGo <bin.ma@huawei.com>
diff --git a/assets/slides/20190624/4_Innovation_New_Product_Release.pdf b/assets/slides/20190624/4_Innovation_New_Product_Release.pdf
index 5f13288..d6feb4a 100755
--- a/assets/slides/20190624/4_Innovation_New_Product_Release.pdf
+++ b/assets/slides/20190624/4_Innovation_New_Product_Release.pdf
Binary files differ