typo

git-svn-id: http://svn.zope.org/repos/main/zc.buildout/trunk@84009 62d5b8a3-27da-0310-9561-8e5933582275

zc.recipe.egg_/src/zc/recipe/egg/custom.txt

@@ -82,6 +82,10 @@ python
    Python executable is found in the executable option of the named
    section. 
 
+environment
+   The name of a section wich additional environment variables. The
+   envirionment variables are set before the egg is built.
+
 To illustrate this, we'll define a buildout that builds an egg for a
 package that has a simple extension module::
 
@@ -102,7 +106,7 @@ package that has a simple extension module::
   #endif
   }
 
-The extension depends on a system-dependnt include file, extdemo.h,
+The extension depends on a system-dependent include file, extdemo.h,
 that defines a constant, EXTDEMO, that is exposed by the extension.
 
 The extension module is available as a source distribution,