diff --git a/Release-notes.md b/Release-notes.md
index d97a371..490670e 100644
--- a/Release-notes.md
+++ b/Release-notes.md
@@ -31,6 +31,11 @@
   obidistribute --pattern "pcr_reads/sample_%s_R1.fastq" -c sample tagged_library_R1.fastq
   obidistribute --pattern "pcr_reads/sample_%s_R2.fastq" -c sample tagged_library_R2.fastq
   ```
+### Enhancement
+
+- Rename the `forward_mismatches` and `reverse_mismatches` from instanced by `obimutiplex` into
+  `forward_error` and `reverse_error` to be coherent with the tags instanced by `obipcr`
+  
 ### Corrected bugs
 
 - Correction of a bug in memory management and Slice recycling.
diff --git a/pkg/obingslibrary/match.go b/pkg/obingslibrary/match.go
index 0193101..dac3a92 100644
--- a/pkg/obingslibrary/match.go
+++ b/pkg/obingslibrary/match.go
@@ -269,13 +269,13 @@ func (match *DemultiplexMatch) ExtractBarcode(sequence *obiseq.BioSequence, inpl
 
 	if match.ForwardMatch != "" {
 		annot["forward_match"] = match.ForwardMatch
-		annot["forward_mismatches"] = match.ForwardMismatches
+		annot["forward_error"] = match.ForwardMismatches
 		annot["forward_tag"] = match.ForwardTag
 	}
 
 	if match.ReverseMatch != "" {
 		annot["reverse_match"] = match.ReverseMatch
-		annot["reverse_mismatches"] = match.ReverseMismatches
+		annot["reverse_error"] = match.ReverseMismatches
 		annot["reverse_tag"] = match.ReverseTag
 	}