Update docusaurus/docs/e2e-test-a-plugin/test-a-data-source-plugin/cu…

…stom-variable-editor.md

Co-authored-by: Joseph Perez <[email protected]>

docusaurus/docs/e2e-test-a-plugin/test-a-data-source-plugin/custom-variable-editor.md

@@ -19,7 +19,7 @@ sidebar_position: 30
 
 ### Test that the custom variable editor loads
 
-The following example is a simple smoke test that verifies that the custom variable editor loads.
+The following example is a simple smoke test that verifies that the custom variable editor loads:
 
 ```ts title="customVariableEditor.spec.ts"
 import { expect, test } from '@grafana/plugin-e2e';