diff --git a/proto-docs/session.md b/proto-docs/session.md
index 8ce09a0..0976757 100644
--- a/proto-docs/session.md
+++ b/proto-docs/session.md
@@ -36,7 +36,7 @@ rpc Create(CreateRequest) returns (CreateResponse);
 
 #### Method Create
 
-Create opens new session between the client and the server
+Create opens new session between the client and the server.
 
 | Name | Input | Output |
 | ---- | ----- | ------ |
@@ -47,27 +47,27 @@ Create opens new session between the client and the server
 <a name="session.CreateRequest"></a>
 
 ### Message CreateRequest
-CreateRequest carries an information necessary for opening a session
+CreateRequest carries an information necessary for opening a session.
 
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | OwnerID carries an identifier of a session initiator. |
-| Lifetime | [service.TokenLifetime](#service.TokenLifetime) |  | Lifetime carries a lifetime of the session |
-| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) |  | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
-| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) |  | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
+| OwnerID | [refs.OwnerID](#refs.OwnerID) |  | Carries an identifier of a session initiator. |
+| Lifetime | [service.TokenLifetime](#service.TokenLifetime) |  | Carries a lifetime of the session. |
+| MetaHeader | [service.RequestMetaHeader](#service.RequestMetaHeader) |  | Carries request meta information. Header data is used only to regulate message transport and does not affect request execution. |
+| VerifyHeader | [service.RequestVerificationHeader](#service.RequestVerificationHeader) |  | Carries request verification information. This header is used to authenticate the nodes of the message route and check the correctness of transmission. |
 
 
 <a name="session.CreateResponse"></a>
 
 ### Message CreateResponse
-CreateResponse carries an information about the opened session
+CreateResponse carries an information about the opened session.
 
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| ID | [bytes](#bytes) |  | ID carries an identifier of session token |
-| SessionKey | [bytes](#bytes) |  | SessionKey carries a session public key |
+| ID | [bytes](#bytes) |  | ID carries an identifier of session token. |
+| SessionKey | [bytes](#bytes) |  | SessionKey carries a session public key. |
 
  <!-- end messages -->
 
diff --git a/session/service.proto b/session/service.proto
index 3619a22..cd11589 100644
--- a/session/service.proto
+++ b/session/service.proto
@@ -1,5 +1,7 @@
 syntax = "proto3";
+
 package session;
+
 option go_package = "github.com/nspcc-dev/neofs-api-go/session";
 option csharp_namespace = "NeoFS.API.Session";
 
@@ -8,29 +10,32 @@ import "service/verify.proto";
 import "refs/types.proto";
 
 service Session {
-    // Create opens new session between the client and the server
+    // Create opens new session between the client and the server.
     rpc Create (CreateRequest) returns (CreateResponse);
 }
 
-// CreateRequest carries an information necessary for opening a session
+// CreateRequest carries an information necessary for opening a session.
 message CreateRequest {
-    // OwnerID carries an identifier of a session initiator.
+    // Carries an identifier of a session initiator.
     refs.OwnerID OwnerID = 1;
 
-    // Lifetime carries a lifetime of the session
+    // Carries a lifetime of the session.
     service.TokenLifetime Lifetime = 2;
 
-    // RequestMetaHeader contains information about request meta headers (should be embedded into message)
-    service.RequestMetaHeader Meta = 98;
-    // RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
-    service.RequestVerificationHeader Verify = 99;
+    // Carries request meta information. Header data is used only to regulate message
+    // transport and does not affect request execution.
+    service.RequestMetaHeader MetaHeader = 98;
+
+    // Carries request verification information. This header is used to authenticate
+    // the nodes of the message route and check the correctness of transmission.
+    service.RequestVerificationHeader VerifyHeader = 99;
 }
 
-// CreateResponse carries an information about the opened session
+// CreateResponse carries an information about the opened session.
 message CreateResponse {
-    // ID carries an identifier of session token
+    // ID carries an identifier of session token.
     bytes ID = 1;
 
-    // SessionKey carries a session public key
+    // SessionKey carries a session public key.
     bytes SessionKey = 2;
 }