Fixed lowercase juju to be uppercase (Should be Juju when referring to product)

Author: ns950

src/en/about-juju.md

@@ -95,7 +95,7 @@ If you want, you can also share your charm with the world and gain feedback and
 
 What are the best workloads to try with Juju?
 
-Juju excels with scale-out workloads like big data, PAAS, cloud infrastructure such as OpenStack, or container management systems. Pick your favourite cloud and launch a juju server, deploy the Juju GUI there and then drop one of the bundles from the charm store into the blank canvas.
+Juju excels with scale-out workloads like big data, PAAS, cloud infrastructure such as OpenStack, or container management systems. Pick your favourite cloud and launch a Juju server, deploy the Juju GUI there and then drop one of the bundles from the charm store into the blank canvas.
 
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