diff --git a/proto/rdf.proto b/proto/rdf.proto
index 2fdc1df..76ab2e7 100644
--- a/proto/rdf.proto
+++ b/proto/rdf.proto
@@ -3,8 +3,8 @@ package eu.ostrzyciel.jelly.core.proto.v1;
 
 // Jelly RDF serialization with Protocol Buffers.
 // Specification document:
-// https://w3id.org/jelly/dev/specification/serialization
-// Protocol version: 1.2.0 (in development)
+// https://w3id.org/jelly/1.2.0/specification/serialization
+// Protocol version: 1.2.0
 //
 // A Jelly-RDF stream is a sequence of RdfStreamFrame messages. The contents
 // of the frames use one of two layouts, depending on the protocol version:
diff --git a/proto/sparql.proto b/proto/sparql.proto
index b5dc8a7..3c642f8 100644
--- a/proto/sparql.proto
+++ b/proto/sparql.proto
@@ -4,6 +4,9 @@ package eu.ostrzyciel.jelly.core.proto.v1.sparql;
 // Jelly-SPARQL: binary serialization for SPARQL query results
 // (solution sequences and boolean ASK results), based on the Jelly-RDF term
 // encoding (rdf.proto).
+// Specification document:
+// https://w3id.org/jelly/1.2.0/specification/sparql
+// Protocol version: 1.0.0
 //
 // The results are transmitted as a stream of frames. Each frame contains a
 // batch of solutions (rows) in a columnar layout: one column per variable.
@@ -45,7 +48,7 @@ message SparqlResultsOptions {
   // (required if datatype literals are used)
   uint32 max_datatype_table_size = 11;
   // Protocol version (required)
-  // For this proposal, the value must be 1.
+  // For Jelly-SPARQL 1.0.x, the value must be 1.
   // For custom extensions, the value must be 10000 or higher.
   uint32 version = 15;
 }