diff --git a/doc/make_constants.py b/doc/make_constants.py
index 73d26ca19243db408291ffba3ddd0c445497cee7..962b4924deb872e689f836e8301cc37354d344c6 100644
--- a/doc/make_constants.py
+++ b/doc/make_constants.py
@@ -164,6 +164,7 @@ const_ext_lookup = {
         mof: {
             getattr(mof, "HOST", None): ("cl_ext_migrate_memobject", "2011.2"),
             },
+        }
 try:
     gl_ci = cl.gl_context_info
 except AttributeError:
diff --git a/doc/source/array.rst b/doc/source/array.rst
index 7e70dd824c6e0fdbcfdc860e04ae7d32f1597a24..ed84bc8cac6091fbd02e2fca03befdc3eeadd802 100644
--- a/doc/source/array.rst
+++ b/doc/source/array.rst
@@ -464,8 +464,8 @@ Custom Reductions
 
 Here's a usage example::
 
-    a = pyopencl.array.arange(400, dtype=numpy.float32)
-    b = pyopencl.array.arange(400, dtype=numpy.float32)
+    a = pyopencl.array.arange(queue, 400, dtype=numpy.float32)
+    b = pyopencl.array.arange(queue, 400, dtype=numpy.float32)
 
     krnl = ReductionKernel(ctx, numpy.float32, neutral="0",
             reduce_expr="a+b", map_expr="x[i]*y[i]",