[consider merging] bugfix issue #1616 - typo in DRC doc

src/doc/doc/about/drc_ref_global.xml

@@ -828,7 +828,7 @@ The following example selects all shapes which are rectangles and
 whose area is larger than 0.5 square micrometers:
 </p><p>
 <pre>
-out = in.drc(if_all(area &gt; 0.5, rectangle))
+out = in.drc(if_all(area &gt; 0.5, rectangles))
 </pre>
 </p><p>
 The condition expressions may be of any type (edges, edge pairs and polygons).

src/drc/drc/built-in-macros/_drc_cop_integration.rb

@@ -555,7 +555,7 @@ module DRC
     # whose area is larger than 0.5 square micrometers:
     # 
     # @code
-    # out = in.drc(if_all(area > 0.5, rectangle))
+    # out = in.drc(if_all(area > 0.5, rectangles))
     # @/code
     #
     # The condition expressions may be of any type (edges, edge pairs and polygons).