diff --git a/04-material/ecoPLA/3dJake/black.md b/04-material/ecoPLA/3dJake/black.md
index faf1527..a9dc055 100644
--- a/04-material/ecoPLA/3dJake/black.md
+++ b/04-material/ecoPLA/3dJake/black.md
@@ -6,7 +6,7 @@
 | Printing Temperature                           | 235°C    |
 | Build Plate Temperature                        | 70°C     |
 | Flow                                           | 91%      |
-| Retraction Distance                            | 0.55mm   |
+| Retraction Distance                            | 1mm      |
 | Retraction Speed                               | 50mm/s   |
 | Retraction Extra Prime Amount                  | 0.03mm   |
 | Linear Advance Factor                          | 0.025    |