diff --git a/examples/SpectralMethod/Polycrystal/tensionX.yaml b/examples/SpectralMethod/Polycrystal/tensionX.yaml
index 5c82d0eec..6e86fdcf2 100644
--- a/examples/SpectralMethod/Polycrystal/tensionX.yaml
+++ b/examples/SpectralMethod/Polycrystal/tensionX.yaml
@@ -1,14 +1,24 @@
+---
+
 step:
   - mech:
-      dot_F: [1.0e-3,0,0,  0,x,0,  0,0,x]
-      P:     [     x,x,x,  x,0,x,  x,x,0]
+      dot_F: [1.0e-3, 0, 0,
+              0,      x, 0,
+              0,      0, x]
+      P: [x, x, x,
+          x, 0, x,
+          x, x, 0]
     discretization:
       t: 10
       N: 40
       f_out: 4
   - mech:
-      dot_F: [1.0e-3,0,0,  0,x,0,  0,0,x]
-      P:     [     x,x,x,  x,0,x,  x,x,0]
+      dot_F: [1.0e-3, 0, 0,
+              0,      x, 0,
+              0,      0, x]
+      P: [x, x, x,
+          x, 0, x,
+          x, x, 0]
     discretization:
       t: 60
       N: 60