Reword and reformat a little.

Author: ZeroIntensity

Doc/glossary.rst

@@ -1202,10 +1202,11 @@ Glossary
       :func:`sys.getrefcount` function to return the
       reference count for a particular object.
 
-      In :term:`CPython`, reference counts are not considered to be stable, well-defined
-      values for an object; the number of references to a Python object, and how that number
-      is affected by Python code, may be different between versions. Consequently, don't rely
-      on an object's reference count to be a value other than 0 or 1.
+      In :term:`CPython`, reference counts are not considered to be stable
+      or well-defined values; the number of references to an object, and how
+      that number is affected by Python code, may be different between
+      versions. Consequently, don't rely on an object's reference count to be
+      a value other than 0 or 1.
 
    regular package
       A traditional :term:`package`, such as a directory containing an