diff --git a/proto/spire/api/server/localauthority/v1/localauthority.proto b/proto/spire/api/server/localauthority/v1/localauthority.proto
index 384abb4..f134b50 100644
--- a/proto/spire/api/server/localauthority/v1/localauthority.proto
+++ b/proto/spire/api/server/localauthority/v1/localauthority.proto
@@ -78,11 +78,11 @@ service LocalAuthority {
         // the tainted authority. The result of this action will be observed
         // cluster-wide.
 	// It is important to change active upstream authority before taiting it, 
-	// since taint will force the rotation of any bundle that is using 
+	// since tainting will force the rotation of any bundle that is using 
 	// the old upstream authority.
-        // It receive the X.509 Subject Key Identifier (or SKID) of an old X.509 authority.
+        // It receives the X.509 Subject Key Identifier (or SKID) of an old X.509 authority.
         //
-        // If a X.509 upstream authority does not exist or it is active, a FailedPrecondition
+        // If an X.509 upstream authority does not exist or it is active, a FailedPrecondition
         // error will be returned.
         rpc TaintX509UpstreamAuthority(TaintX509UpstreamAuthorityRequest) returns (TaintX509UpstreamAuthorityResponse);
 
@@ -99,7 +99,8 @@ service LocalAuthority {
         // RevokeX509UpstreamAuthority revokes the previously active X.509 upstream authority by
         // removing it from the bundle and propagating this update throughout
         // the cluster.
-        // It receive the subject key ID an old X.509 upstream authority.
+        // It receives the subject key ID of the authority's CA certificate of the 
+	// upstream X.509 authority to revoke.
         //
         // If a previously active X.509 upstream authority does not exist, a FailedPrecondition
         // error will be returned.
@@ -236,7 +237,6 @@ message RevokeX509AuthorityResponse {
         AuthorityState revoked_authority = 1;
 }
 
-
 message AuthorityState {
         // The authority ID.
         string authority_id = 1;
diff --git a/proto/spire/api/server/localauthority/v1/localauthority_grpc.pb.go b/proto/spire/api/server/localauthority/v1/localauthority_grpc.pb.go
index 0efb71a..dcf9c34 100644
--- a/proto/spire/api/server/localauthority/v1/localauthority_grpc.pb.go
+++ b/proto/spire/api/server/localauthority/v1/localauthority_grpc.pb.go
@@ -81,11 +81,11 @@ type LocalAuthorityClient interface {
 	// the tainted authority. The result of this action will be observed
 	// cluster-wide.
 	// It is important to change active upstream authority before taiting it,
-	// since taint will force the rotation of any bundle that is using
+	// since tainting will force the rotation of any bundle that is using
 	// the old upstream authority.
-	// It receive the X.509 Subject Key Identifier (or SKID) of an old X.509 authority.
+	// It receives the X.509 Subject Key Identifier (or SKID) of an old X.509 authority.
 	//
-	// If a X.509 upstream authority does not exist or it is active, a FailedPrecondition
+	// If an X.509 upstream authority does not exist or it is active, a FailedPrecondition
 	// error will be returned.
 	TaintX509UpstreamAuthority(ctx context.Context, in *TaintX509UpstreamAuthorityRequest, opts ...grpc.CallOption) (*TaintX509UpstreamAuthorityResponse, error)
 	// RevokeX509Authority revokes the previously active X.509 authority by
@@ -100,7 +100,8 @@ type LocalAuthorityClient interface {
 	// RevokeX509UpstreamAuthority revokes the previously active X.509 upstream authority by
 	// removing it from the bundle and propagating this update throughout
 	// the cluster.
-	// It receive the subject key ID an old X.509 upstream authority.
+	// It receives the subject key ID of the authority's CA certificate of the
+	// upstream X.509 authority to revoke.
 	//
 	// If a previously active X.509 upstream authority does not exist, a FailedPrecondition
 	// error will be returned.
@@ -291,11 +292,11 @@ type LocalAuthorityServer interface {
 	// the tainted authority. The result of this action will be observed
 	// cluster-wide.
 	// It is important to change active upstream authority before taiting it,
-	// since taint will force the rotation of any bundle that is using
+	// since tainting will force the rotation of any bundle that is using
 	// the old upstream authority.
-	// It receive the X.509 Subject Key Identifier (or SKID) of an old X.509 authority.
+	// It receives the X.509 Subject Key Identifier (or SKID) of an old X.509 authority.
 	//
-	// If a X.509 upstream authority does not exist or it is active, a FailedPrecondition
+	// If an X.509 upstream authority does not exist or it is active, a FailedPrecondition
 	// error will be returned.
 	TaintX509UpstreamAuthority(context.Context, *TaintX509UpstreamAuthorityRequest) (*TaintX509UpstreamAuthorityResponse, error)
 	// RevokeX509Authority revokes the previously active X.509 authority by
@@ -310,7 +311,8 @@ type LocalAuthorityServer interface {
 	// RevokeX509UpstreamAuthority revokes the previously active X.509 upstream authority by
 	// removing it from the bundle and propagating this update throughout
 	// the cluster.
-	// It receive the subject key ID an old X.509 upstream authority.
+	// It receives the subject key ID of the authority's CA certificate of the
+	// upstream X.509 authority to revoke.
 	//
 	// If a previously active X.509 upstream authority does not exist, a FailedPrecondition
 	// error will be returned.