diff --git a/assays/biparental_mapping/protocols/CAPS_marker_analysis.md b/assays/biparental_mapping/protocols/CAPS_marker_analysis.md
index a6e402ba7433adcb5eb167b024c051131ac2eec7..998432dadcc63a0bc9cc9b00777966137c279c61 100644
--- a/assays/biparental_mapping/protocols/CAPS_marker_analysis.md
+++ b/assays/biparental_mapping/protocols/CAPS_marker_analysis.md
@@ -26,5 +26,5 @@ digest:
 
 | Marker |	Primer | Sequence 5’-3’	| Enzyme | annealing temp (°C) | ppd-H1 allele: fragment size (bp) | Ppd-H1 allele: fragment size (bp) | 
 | ------ | ------ | ------ | ------ | ------ | ------ | ------ |
-| M-PPDH11 | F | ACGTGAATGGTGGATCGGC | BstUI | 60°C | 506 |  433, 73 | 
+| M-PPD-H1 | F | ACGTGAATGGTGGATCGGC | BstUI | 60°C | 506 |  433, 73 | 
 | | R | TATAGCTAGGTGCGTGGCG |