Fix lightweight spelling
@@ -4,7 +4,7 @@ LWPolyline
.. module:: ezdxf.entities
:noindex:
-The LWPOLYLINE entity (Light Weight POLYLINE, `DXF Reference`_) is defined as
+The LWPOLYLINE entity (Lightweight POLYLINE, `DXF Reference`_) is defined as
a single graphic entity, which differs from the old-style :class:`Polyline`
entity, which is defined as a group of sub-entities. :class:`LWPolyline`
display faster (in AutoCAD) and consume less disk space, it is a planar
