diff --git a/examples/SpectralMethod/EshelbyInclusion/material.config b/examples/SpectralMethod/EshelbyInclusion/material.config
index 83045938d..e002584b0 100644
--- a/examples/SpectralMethod/EshelbyInclusion/material.config
+++ b/examples/SpectralMethod/EshelbyInclusion/material.config
@@ -38,7 +38,7 @@ plasticity	none
 [Ti matrix]
 
 lattice_structure   hex
-covera_ratio        1.587
+c/a        1.587
 plasticity	        none
 {config/elastic_Ti.config}
 {config/thermal.config}
@@ -65,7 +65,7 @@ plasticity	none
 [Ti inclusion]
 
 lattice_structure   hex
-covera_ratio        1.587
+c/a		        1.587
 plasticity	        none
 {config/elastic_Ti.config}
 {config/thermal.config}