diff --git a/XMLConfigReference.md b/XMLConfigReference.md
index 6a536e7..97cf1e0 100644
--- a/XMLConfigReference.md
+++ b/XMLConfigReference.md
@@ -23,9 +23,9 @@ The Map object defines the master object of a mapnik configuration XML. It defin
   * *background-image*: Available in Mapnik2: use an image for the background instead of a color fill.
   * *font-directory*: Available in Mapnik2: pass a directory that contains fonts, which will automatically be registered if they end in ttf, otf, ttc, pfa, pfb, ttc, or dfont.
   * *srs*: Coordinate system in which the map is rendered (for instance '+proj=latlong+datum=WGS84' for a WGS84 Geographic coordinate system)
-  * *buffer_size*: Default 0; Good value is usually tile size/2 to help avoid cut labels. This influences envelope used by placement detector ( i.e. 'avoid_edges' parameter)
-  * *paths_from_xml*: Check if relative paths should be interpreted as relative to/from XML location (default is true)
-  * *minimum_version*: Declare the minimum version of mapnik to be used with the stylesheet. Example: minimum_version="0.6.1". Will print a notice if you use an older mapnik version. (Since r1453)
+  * *buffer-size*: Default 0; Good value is usually tile size/2 to help avoid cut labels. This influences envelope used by placement detector ( i.e. 'avoid_edges' parameter)
+  * *paths-from-xml*: Check if relative paths should be interpreted as relative to/from XML location (default is true)
+  * *minimum-version*: Declare the minimum version of mapnik to be used with the stylesheet. Example: minimum_version="0.6.1". Will print a notice if you use an older mapnik version. (Since r1453)
 
  * Children:
   * *[#Style Style]*