diff --git a/src/github.com/matrix-org/go-neb/services/giphy/giphy.go b/src/github.com/matrix-org/go-neb/services/giphy/giphy.go
index 53a4697..ff5ae84 100644
--- a/src/github.com/matrix-org/go-neb/services/giphy/giphy.go
+++ b/src/github.com/matrix-org/go-neb/services/giphy/giphy.go
@@ -34,7 +34,12 @@ type giphySearch struct {
 	Data []result
 }
 
-// Service contains the Config fields for this service.
+// Service contains the Config fields for the Giphy Service.
+//
+// Example:
+//   {
+//       "api_key": "dc6zaTOxFJmzC"
+//   }
 type Service struct {
 	types.DefaultService
 	// The Giphy API key to use when making HTTP requests to Giphy.
diff --git a/src/github.com/matrix-org/go-neb/services/github/github.go b/src/github.com/matrix-org/go-neb/services/github/github.go
index 228b0b6..e0d19f5 100644
--- a/src/github.com/matrix-org/go-neb/services/github/github.go
+++ b/src/github.com/matrix-org/go-neb/services/github/github.go
@@ -43,6 +43,11 @@ var ownerRepoRegex = regexp.MustCompile(`^([A-z0-9-_]+)/([A-z0-9-_]+)$`)
 //  }
 //
 // This will allow the "owner/repo" to be omitted when creating/expanding issues.
+//
+// Example:
+//   {
+//       "RealmID": "github-realm-id"
+//   }
 type Service struct {
 	types.DefaultService
 	// The ID of an existing "github" realm. This realm will be used to obtain
diff --git a/src/github.com/matrix-org/go-neb/services/github/github_webhook.go b/src/github.com/matrix-org/go-neb/services/github/github_webhook.go
index 6c126d7..9e4135d 100644
--- a/src/github.com/matrix-org/go-neb/services/github/github_webhook.go
+++ b/src/github.com/matrix-org/go-neb/services/github/github_webhook.go
@@ -27,6 +27,21 @@ const WebhookServiceType = "github-webhook"
 // This service will send notices into a Matrix room when Github sends webhook events
 // to it. It requires a public domain which Github can reach. Notices will be sent
 // as the service user ID, not the ClientUserID.
+//
+// Example:
+//   {
+//       ClientUserID: "@alice:localhost",
+//       RealmID: "github-realm-id",
+//       Rooms: {
+//           "!qmElAGdFYCHoCJuaNt:localhost": {
+//               Repos: {
+//                   "matrix-org/go-neb": {
+//                       Events: ["push", "issues", "pull_request"]
+//                   }
+//               }
+//           }
+//       }
+//   }
 type WebhookService struct {
 	types.DefaultService
 	webhookEndpointURL string
diff --git a/src/github.com/matrix-org/go-neb/services/guggy/guggy.go b/src/github.com/matrix-org/go-neb/services/guggy/guggy.go
index d4b50dd..e1a3fda 100644
--- a/src/github.com/matrix-org/go-neb/services/guggy/guggy.go
+++ b/src/github.com/matrix-org/go-neb/services/guggy/guggy.go
@@ -32,7 +32,12 @@ type guggyGifResult struct {
 	Height float64 `json:"height"`
 }
 
-// Service contains the Config fields for this service.
+// Service contains the Config fields for the Guggy service.
+//
+// Example:
+//   {
+//       "api_key": "fkweugfyuwegfweyg"
+//   }
 type Service struct {
 	types.DefaultService
 	// The Guggy API key to use when making HTTP requests to Guggy.
diff --git a/src/github.com/matrix-org/go-neb/services/jira/jira.go b/src/github.com/matrix-org/go-neb/services/jira/jira.go
index 713ccd4..6959ad5 100644
--- a/src/github.com/matrix-org/go-neb/services/jira/jira.go
+++ b/src/github.com/matrix-org/go-neb/services/jira/jira.go
@@ -32,6 +32,22 @@ var projectKeyRegex = regexp.MustCompile("^[A-z]+$")
 // Service contains the Config fields for the JIRA service.
 //
 // Before you can set up a JIRA Service, you need to set up a JIRA Realm.
+//
+// Example:
+//   {
+//       Rooms: {
+//           "!qmElAGdFYCHoCJuaNt:localhost": {
+//               Realms: {
+//                   "jira-realm-id": {
+//                       Projects: {
+//                           "SYN": { Expand: true },
+//                           "BOTS": { Expand: true, Track: true }
+//                       }
+//                   }
+//               }
+//           }
+//       }
+//   }
 type Service struct {
 	types.DefaultService
 	webhookEndpointURL string
diff --git a/src/github.com/matrix-org/go-neb/services/rssbot/rssbot.go b/src/github.com/matrix-org/go-neb/services/rssbot/rssbot.go
index f3833ab..0dc7e38 100644
--- a/src/github.com/matrix-org/go-neb/services/rssbot/rssbot.go
+++ b/src/github.com/matrix-org/go-neb/services/rssbot/rssbot.go
@@ -36,11 +36,24 @@ var (
 const minPollingIntervalSeconds = 60 * 5 // 5 min (News feeds can be genuinely spammy)
 
 // Service contains the Config fields for this service.
+//
+// Example:
+//   {
+//       feeds: {
+//           "http://rss.cnn.com/rss/edition.rss": {
+//                poll_interval_mins: 60,
+//                rooms: ["!cBrPbzWazCtlkMNQSF:localhost"]
+//           },
+//           "https://www.wired.com/feed/": {
+//                rooms: ["!qmElAGdFYCHoCJuaNt:localhost"]
+//           }
+//       }
+//   }
 type Service struct {
 	types.DefaultService
 	// Feeds is a map of feed URL to configuration options for this feed.
 	Feeds map[string]struct {
-		// The time to wait between polls. If this is less than minPollingIntervalSeconds, it is ignored.
+		// Optional. The time to wait between polls. If this is less than minPollingIntervalSeconds, it is ignored.
 		PollIntervalMins int `json:"poll_interval_mins"`
 		// The list of rooms to send feed updates into. This cannot be empty.
 		Rooms []string `json:"rooms"`