Update OpenAtom testimonial

Signed-off-by: Eric Poirier <eric.poirier@eclipse-foundation.org>

data/testimonials.yml

@@ -20,6 +20,6 @@ items:
     author: Gianluca Venere
     job_title: Chief Innovation Officer, SECO
   -
-    text: We, OpenAtom Foundation, are glad to know that Eclipse Foundation would make great effort with us to build and develop OpenHarmony, the full-scenario next-generation open source OS. We expect a great success together.
+    text: We, at the OpenAtom Foundation, know that we will allow our partner, the Eclipse Foundation to build and develop the next-generation all-scenario open source OS, and expand the OpenHarmony ecosystem. We are looking forward to making history with the Eclipse Foundation and developers around the world.
     author: Tao Yang
     job_title: Chairman of the Board of Directors at the OpenAtom Foundation
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