[#70] container: Fix wrong tick in comments

Signed-off-by: Ekaterina Lebedeva <ekaterina.lebedeva@yadro.com>

container/service.proto

@@ -261,10 +261,10 @@ message ListResponse {
 message ListStreamRequest {
   // List containers stream request body.
   message Body {
-    // Identifier of the container owner
+    // Identifier of the container owner.
     neo.fs.v2.refs.OwnerID owner_id = 1;
   }
-  // Body of list containers stream request message
+  // Body of list containers stream request message.
   Body body = 1;
 
   // Carries request meta information. Header data is used only to regulate