diff --git a/decimal/decimal.proto b/decimal/decimal.proto
index 391b528..6282c12 100644
--- a/decimal/decimal.proto
+++ b/decimal/decimal.proto
@@ -3,10 +3,11 @@ package decimal;
 option go_package = "github.com/nspcc-dev/neofs-api-go/decimal";
 option csharp_namespace = "NeoFS.API.Decimal";
 
-// Decimal is a structure used for representation of assets amount
+// Decimal represents the decimal numbers.
 message Decimal {
-    // Value is value number
+    // Value carries number value.
     int64 Value = 1;
-    // Precision is precision number
+
+    // Precision carries value precision.
     uint32 Precision = 2;
 }