Tiny fixes.

Author: pp-mo

lib/iris/coords.py

@@ -290,7 +290,7 @@ def summary(
         max_values : int or None, default = None
             If more than this many data values, print truncated data arrays.
             If 0, print only the shape.
-            Defaults to 5 if `shorten` is True, else 20.
+            Defaults to 5 if `shorten` is True, else 15.
         convert_dates : bool, default = True
             Print values in date form, if the units has a calendar.
             If not, print raw number values.

lib/iris/tests/unit/coords/test__DimensionalMetadata.py

@@ -997,6 +997,7 @@ def test_max_array_width__default(self):
         self.assertLines(expected, result)
 
         with np.printoptions(linewidth=35):
+            # Show that, when unset, it follows the numpy setting
             result = coord.summary()
         expected = [
             "AuxCoord :  x / (m)",
@@ -1027,7 +1028,7 @@ def test_max_array_width__set(self):
         self.assertLines(expected, result)
 
         with np.printoptions(linewidth=999):
-            # Show that when set, it ignores the numpy setting
+            # Show that, when set, it ignores the numpy setting
             result = coord.summary(max_array_width=35)
         self.assertLines(expected, result)