Merge ~elmo/charm-prometheus-alertmanager:juju-config-not-set into charm-prometheus-alertmanager:master

[James Troup]

Replace reference to 'juju set' with 'juju config'.

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This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

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PASSED: Continuous integration, rev:eeaf63f2b712ae287dec0a95ad71f99e12ab517d
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review: Approve (continuous-integration)

[Celia Wang (ziyiwang)]

lgtm

review: Approve

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

Change successfully merged at revision 6f5b0caad480e63edfa3a37aa51d6a1c23ed8e3c

diff --git a/src/config.yaml b/src/config.yaml
index fe0c1b1..96392df 100644
--- a/src/config.yaml
+++ b/src/config.yaml
@@ -27,7 +27,7 @@ options:
         URL components will be derived automatically.
         It's templatized to accept the following vars: {private_address},
         {public_address}, {port}, thus you can use e.g.:
-        juju set alertmanager external_url="http://{private_address}:{port}/"
+        juju config alertmanager external_url="http://{private_address}:{port}/"
   raw_config:
     default: ""
     type: string