diff --git a/github/event_types.go b/github/event_types.go
index e2c37ca..4e2615e 100644
--- a/github/event_types.go
+++ b/github/event_types.go
@@ -301,14 +301,15 @@ func (p PushEvent) String() string {
 
 // PushEventCommit represents a git commit in a GitHub PushEvent.
 type PushEventCommit struct {
-	SHA      *string       `json:"sha,omitempty"`
-	Message  *string       `json:"message,omitempty"`
-	Author   *CommitAuthor `json:"author,omitempty"`
-	URL      *string       `json:"url,omitempty"`
-	Distinct *bool         `json:"distinct,omitempty"`
-	Added    []string      `json:"added,omitempty"`
-	Removed  []string      `json:"removed,omitempty"`
-	Modified []string      `json:"modified,omitempty"`
+	SHA       *string       `json:"sha,omitempty"`
+	Message   *string       `json:"message,omitempty"`
+	Author    *CommitAuthor `json:"author,omitempty"`
+	Committer *CommitAuthor `json:"committer,omitempty"`
+	URL       *string       `json:"url,omitempty"`
+	Distinct  *bool         `json:"distinct,omitempty"`
+	Added     []string      `json:"added,omitempty"`
+	Removed   []string      `json:"removed,omitempty"`
+	Modified  []string      `json:"modified,omitempty"`
 }
 
 func (p PushEventCommit) String() string {
@@ -341,6 +342,10 @@ type PushEventRepository struct {
 	DefaultBranch   *string             `json:"default_branch,omitempty"`
 	MasterBranch    *string             `json:"master_branch,omitempty"`
 	Organization    *string             `json:"organization,omitempty"`
+
+	// The following fields are only populated by Webhook events.
+	URL     *string `json:"url,omitempty"`
+	HTMLURL *string `json:"html_url,omitempty"`
 }
 
 // PushEventRepoOwner is a basic reporesntation of user/org in a PushEvent payload
diff --git a/github/git_commits.go b/github/git_commits.go
index 6584b77..41e7ff9 100644
--- a/github/git_commits.go
+++ b/github/git_commits.go
@@ -37,6 +37,9 @@ type CommitAuthor struct {
 	Date  *time.Time `json:"date,omitempty"`
 	Name  *string    `json:"name,omitempty"`
 	Email *string    `json:"email,omitempty"`
+
+	// The following fields are only populated by Webhook events.
+	Login *string `json:"username,omitempty"` // Renamed for go-github consistency.
 }
 
 func (c CommitAuthor) String() string {
diff --git a/github/repos_deployments.go b/github/repos_deployments.go
index fea43de..c7beb4b 100644
--- a/github/repos_deployments.go
+++ b/github/repos_deployments.go
@@ -103,7 +103,9 @@ func (s *RepositoriesService) CreateDeployment(owner, repo string, request *Depl
 // DeploymentStatus represents the status of a
 // particular deployment.
 type DeploymentStatus struct {
-	ID            *int       `json:"id,omitempty"`
+	ID *int `json:"id,omitempty"`
+	// State is the deployment state.
+	// Possible values are: "pending", "success", "failure", "error".
 	State         *string    `json:"state,omitempty"`
 	Creator       *User      `json:"creator,omitempty"`
 	Description   *string    `json:"description,omitempty"`