diff --git a/Engine/propC10v.xml b/Engine/propC10v.xml
index af428435c..587c41639 100644
--- a/Engine/propC10v.xml
+++ b/Engine/propC10v.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<FG_PROPELLER  NAME="Clark Y, 0.08 thickness/chord ratio, variable pitch">
+<FG_PROPELLER  NAME="Clark Y 0.08 thickness/chord ratio variable pitch">
   IXX       5
   DIAMETER  84
   NUMBLADES  2
diff --git a/Engine/propC6v.xml b/Engine/propC6v.xml
index eba8504c3..6ea9a3f7c 100644
--- a/Engine/propC6v.xml
+++ b/Engine/propC6v.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<FG_PROPELLER  NAME="Clark Y, 0.06 thickness/chord ratio, variable pitch">
+<FG_PROPELLER  NAME="Clark Y 0.06 thickness/chord ratio variable pitch">
   IXX       5
   DIAMETER  84
   NUMBLADES  2
diff --git a/Engine/propC8v.xml b/Engine/propC8v.xml
index 647b1ae33..308e57845 100644
--- a/Engine/propC8v.xml
+++ b/Engine/propC8v.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<FG_PROPELLER  NAME="Clark Y, 0.08 thickness/chord ratio, variable pitch">
+<FG_PROPELLER  NAME="Clark Y 0.08 thickness/chord ratio variable pitch">
   IXX       5
   DIAMETER  84
   NUMBLADES  2