diff --git a/config/example-extras.cfg b/config/example-extras.cfg
index 31036daf..0c75e62d 100644
--- a/config/example-extras.cfg
+++ b/config/example-extras.cfg
@@ -132,11 +132,11 @@
 #   point. The user may enter a single value which will be applied
 #   to both axes.  Default is 2,2.
 #algorithm: lagrange
-#   The interpolation algorthm to use. May be either "langrange"
+#   The interpolation algorithm to use. May be either "langrange"
 #   or "bicubic". This option will not affect 3x3 grids, which
 #   are forced to use lagrange sampling.  Default is lagrange.
 #bicubic_tension: .2
-#   When using the bicubic algoritm the tension parameter above
+#   When using the bicubic algorithm the tension parameter above
 #   may be applied to change the amount of slope interpolated.
 #   Larger numbers will increase the amount of slope, which
 #   results in more curvature in the mesh. Default is .2.