diff --git a/MarkersSymbolizer.md b/MarkersSymbolizer.md
index d55ae7d..1bbabd3 100644
--- a/MarkersSymbolizer.md
+++ b/MarkersSymbolizer.md
@@ -1,8 +1,8 @@
 |*Name*|*Description*|*Default*|Applies to SVG |
 --------|------------|---------|----------------|
-|allow_overlap | Allow the symbolizer to overlap others. | false | yes |
+|allow-overlap | Allow the symbolizer to overlap others. | false | yes |
 |spacing | Distance between markers in pixels. | 100 | yes |
-|max_error | Maximum amount the marker can be move from its designated place to avoid collisions. This value is a fraction of "spacing", e.g. spacing = 100, max_error = 0.2 then the maximum the marker can be moved is 20pixels, if this is not enough it isn't drawn at all. | 0.2 |yes |
+|max-error | Maximum amount the marker can be move from its designated place to avoid collisions. This value is a fraction of "spacing", e.g. spacing = 100, max_error = 0.2 then the maximum the marker can be moved is 20pixels, if this is not enough it isn't drawn at all. | 0.2 |yes |
 |filename | The SVG file to use for the marker | built-in marker | yes |
 |transform | [SVG transform](http://www.w3.org/TR/SVG/coords.html#TransformAttribute) | identity | yes |
 |opacity | Opacity | 1.0 | yes |
@@ -14,7 +14,7 @@
 | height |  height of marker | 5 | no |
 | placement | "point" or "line"  | line | no (todo) |
 | ignore-placement | "true" or "false"  | "false" | no (todo) |
-| marker_type | "arrow" "ellipse" | "arrow" if line placement, "ellipse" if point placement | no |
+| marker-type | "arrow" "ellipse" | "arrow" if line placement, "ellipse" if point placement | no |
 
 It can be added to a Rule with line features like: