diff --git a/doc/fix_thermal_conductivity.html b/doc/fix_thermal_conductivity.html
index 13bf4185f3..96a6cf73f1 100644
--- a/doc/fix_thermal_conductivity.html
+++ b/doc/fix_thermal_conductivity.html
@@ -66,7 +66,7 @@ commands such as the following, which writes the temperature profile
 (assuming z = edim) to the file tmp.profile:
 </P>
 <PRE>compute   ke all ke/atom
-variable  temp atom c_ke<B></B>/1.5
+variable  temp atom c_ke[]/1.5
 fix       3 all ave/spatial 10 100 1000 z lower 0.05 v_temp &
             file tmp.profile units reduced 
 </PRE>
diff --git a/doc/fix_thermal_conductivity.txt b/doc/fix_thermal_conductivity.txt
index 7624f7511a..12ddf7e1f6 100644
--- a/doc/fix_thermal_conductivity.txt
+++ b/doc/fix_thermal_conductivity.txt
@@ -56,7 +56,7 @@ commands such as the following, which writes the temperature profile
 (assuming z = edim) to the file tmp.profile:
 
 compute   ke all ke/atom
-variable  temp atom c_ke[]/1.5
+variable  temp atom c_ke\[\]/1.5
 fix       3 all ave/spatial 10 100 1000 z lower 0.05 v_temp &
             file tmp.profile units reduced :pre