diff --git a/PluginArchitecture.md b/PluginArchitecture.md
index 13c4bc0..bc7bc96 100644
--- a/PluginArchitecture.md
+++ b/PluginArchitecture.md
@@ -33,7 +33,7 @@ To request additional plugins to be compiled and installed make sure you have th
     $ python scons/scons.py INPUT_PLUGINS='all'
     # build just the postgis plugin:
     $ python scons/scons.py INPUT_PLUGINS='postgis'
-    # to compile the plugins statically with mapnik library
+    # to compile the plugins statically with mapnik library (https://github.com/mapnik/mapnik/tree/static-plugins)
     $ python scons/scons.py INPUT_PLUGINS='all' PLUGIN_LINKING='static' 
 ```