diff --git a/.travis.yml b/.travis.yml
index 137876a..f256e04 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,16 +1,16 @@
 language: go
 go:
-    - 1.13.15
-    - tip
+  - 1.13.15
+  - tip
 matrix:
   allow_failures:
     - go: tip
 
 notifications:
-    email:
-        recipients: dean.karn@gmail.com
-        on_success: change
-        on_failure: always
+  email:
+    recipients: dean.karn@gmail.com
+    on_success: change
+    on_failure: always
 
 before_install:
   - go get -u github.com/go-playground/overalls
@@ -26,7 +26,7 @@ before_script:
   - go get -t ./...
 
 script:
- - make test
+  - make test
 
 after_success: |
   [ $TRAVIS_GO_VERSION = 1.13.15 ] &&
diff --git a/github/payload.go b/github/payload.go
index f2cd136..9a377e8 100644
--- a/github/payload.go
+++ b/github/payload.go
@@ -1662,6 +1662,11 @@ type IssueCommentPayload struct {
 		Body              string    `json:"body"`
 		AuthorAssociation string    `json:"author_association"`
 	} `json:"comment"`
+	Changes *struct {
+		Body *struct {
+			From string `json:"from"`
+		} `json:"body"`
+	} `json:"changes"`
 	Repository struct {
 		ID       int64  `json:"id"`
 		NodeID   string `json:"node_id"`
@@ -1826,6 +1831,14 @@ type IssuesPayload struct {
 		ClosedAt  *time.Time  `json:"closed_at"`
 		Body      string      `json:"body"`
 	} `json:"issue"`
+	Changes *struct {
+		Title *struct {
+			From string `json:"from"`
+		} `json:"title"`
+		Body *struct {
+			From string `json:"from"`
+		} `json:"body"`
+	} `json:"changes"`
 	Repository struct {
 		ID       int64  `json:"id"`
 		NodeID   string `json:"node_id"`