diff --git a/addons/material_maker/nodes/fbm.mmg b/addons/material_maker/nodes/fbm.mmg
index 6ce950a..c414cbe 100644
--- a/addons/material_maker/nodes/fbm.mmg
+++ b/addons/material_maker/nodes/fbm.mmg
@@ -79,7 +79,7 @@
 			{
 				"control": "None",
 				"default": 0.5,
-				"label": "Persistance",
+				"label": "Persistence",
 				"max": 1,
 				"min": 0,
 				"name": "persistence",
diff --git a/addons/material_maker/nodes/perlin.mmg b/addons/material_maker/nodes/perlin.mmg
index 92d0178..e2ab8d3 100644
--- a/addons/material_maker/nodes/perlin.mmg
+++ b/addons/material_maker/nodes/perlin.mmg
@@ -52,7 +52,7 @@
 			},
 			{
 				"default": 0.5,
-				"label": "Persistance",
+				"label": "Persistence",
 				"max": 1,
 				"min": 0,
 				"name": "persistence",
diff --git a/addons/material_maker/nodes/perlin_color.mmg b/addons/material_maker/nodes/perlin_color.mmg
index a6552ec..3c1b993 100644
--- a/addons/material_maker/nodes/perlin_color.mmg
+++ b/addons/material_maker/nodes/perlin_color.mmg
@@ -54,7 +54,7 @@
 			},
 			{
 				"default": 0.5,
-				"label": "Persistance",
+				"label": "Persistence",
 				"max": 1,
 				"min": 0,
 				"name": "persistence",
diff --git a/addons/material_maker/nodes/tex3d_fbm.mmg b/addons/material_maker/nodes/tex3d_fbm.mmg
index dc496d5..b11471d 100644
--- a/addons/material_maker/nodes/tex3d_fbm.mmg
+++ b/addons/material_maker/nodes/tex3d_fbm.mmg
@@ -90,7 +90,7 @@
 			{
 				"control": "None",
 				"default": 0.5,
-				"label": "Persistance",
+				"label": "Persistence",
 				"max": 1,
 				"min": 0,
 				"name": "persistence",