Update settings documentation

files/settings-default.cfg

@@ -180,10 +180,14 @@ clamp lighting = true
 
 # If this option is enabled, normal maps are automatically recognized and used if they are named appropriately
 # (see 'normal map pattern', e.g. for a base texture foo.dds, the normal map texture would have to be named foo_n.dds).
-# If this option is disabled, normal maps are only used if they are explicitely listed within the mesh file (NIF file).
+# If this option is disabled, normal maps are only used if they are explicitely listed within the mesh file (.nif or .osg file).
 # Affects objects.
 auto use object normal maps = false
 
+# If this option is enabled, specular maps are automatically recognized and used if they are named appropriately
+# (see 'specular map pattern', e.g. for a base texture foo.dds, the specular map texture would have to be named foo_spec.dds).
+# If this option is disabled, normal maps are only used if they are explicitely listed within the mesh file (.osg file, not supported in .nif files).
+# Affects objects.
 auto use object specular maps = false
 
 # See 'auto use object normal maps'. Affects terrain.
@@ -196,8 +200,10 @@ auto use terrain specular maps = false
 # The filename pattern to probe for when detecting normal maps (see 'auto use object normal maps', 'auto use terrain normal maps')
 normal map pattern = _n
 
+# The filename pattern to probe for when detecting object specular maps (see 'auto use object specular maps')
 specular map pattern = _spec
 
+# The filename pattern to probe for when detecting terrain specular maps (see 'auto use terrain specular maps')
 terrain specular map pattern = _diffusespec
 
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