🪟 🎨 Fix typo in custom image modal

Author: Joey Marshment-Howell

airbyte-webapp/src/locales/en.json

@@ -511,7 +511,7 @@
  "admin.documentationUrl": "Connector Documentation URL",
  "admin.reloadAfterSuccess": "Note: The app will be reloaded after success submit",
  "admin.documentationUrl.placeholder": "https://hub.docker.com/r/airbyte/integration-singer-postgres-source",
- "admin.learnMore": "<lnk>Learn more from our documentation</lnk> to understand how to fill these field.",
+ "admin.learnMore": "<lnk>Learn more from our documentation</lnk> to understand how to fill these fields.",
  "admin.exportConfigurationText": "Download an archive of all configuration and state data. Exported data can be upgraded to another Airbyte version or can be exported to a different Airbyte deployment. For more information visit the <lnk>configuration archive</lnk> page in our docs.",
  "admin.importConfigurationText": "Upload an archive of all configuration and state data. <warn>Warning: This will overwrite all existing configuration!</warn>",
  "admin.logs": "Logs",