diff --git a/src/osgPlugins/ive/ReaderWriterIVE.cpp b/src/osgPlugins/ive/ReaderWriterIVE.cpp
index 389dc6766..cd7ba35b9 100644
--- a/src/osgPlugins/ive/ReaderWriterIVE.cpp
+++ b/src/osgPlugins/ive/ReaderWriterIVE.cpp
@@ -26,7 +26,7 @@ class ReaderWriterIVE : public ReaderWriter
             supportsOption("inlineExternalReferencesInIVEFile","Export option");
             supportsOption("noWriteExternalReferenceFiles","Export option");
             supportsOption("useOriginalExternalReferences","Export option");
-            supportsOption("TerrainMaximumErrorToSizeRatio=value","Export option that controls error matric used to determine terrain HieghtField storage precision.");
+            supportsOption("TerrainMaximumErrorToSizeRatio=value","Export option that controls error matric used to determine terrain HeightField storage precision.");
             supportsOption("noLoadExternalReferenceFiles","Import option");
             supportsOption("OutputTextureFiles","Write out the texture images to file");
         }