Minor doc polish.

README.rst

@@ -604,16 +604,21 @@ prior match was case insensitive, and the matched string differs in
 case, the string with the case as added to the set is returned.
 
 ``.element()`` fails and returns NULL if the rules for ``n`` and
-``select`` indicate failure; that is, if ``n`` is out of range
-(greater than the number of elements in the set), or if ``n`` < 1 and
-``select`` fails for ``UNIQUE`` or ``EXACT``, or ``n`` < 1 and there
-was no prior invocation of ``.match()`` or ``.hasprefix()``.
+``select`` indicate failure; that is:
+
+* ``n`` is out of range (greater than the number of elements in the
+  set)
+
+* ``n`` < 1 and ``select`` fails for ``UNIQUE`` or ``EXACT``
+
+* ``n`` < 1 and there was no prior invocation of ``.match()`` or
+  ``.hasprefix()``.
 
 Example::
 
   if (myset.hasprefix(req.url)) {
      # Construct a redirect response for another host, using the
-     # matching prefix in the request URL as the new URL.
+     # matching prefix in the request URL as the new URL path.
      set resp.http.Location = "http://other.com" + myset.element();
   }
 

src/vmod_selector.vcc

@@ -520,16 +520,21 @@ prior match was case insensitive, and the matched string differs in
 case, the string with the case as added to the set is returned.
 
 ``.element()`` fails and returns NULL if the rules for ``n`` and
-``select`` indicate failure; that is, if ``n`` is out of range
-(greater than the number of elements in the set), or if ``n`` < 1 and
-``select`` fails for ``UNIQUE`` or ``EXACT``, or ``n`` < 1 and there
-was no prior invocation of ``.match()`` or ``.hasprefix()``.
+``select`` indicate failure; that is:
+
+* ``n`` is out of range (greater than the number of elements in the
+  set)
+
+* ``n`` < 1 and ``select`` fails for ``UNIQUE`` or ``EXACT``
+
+* ``n`` < 1 and there was no prior invocation of ``.match()`` or
+  ``.hasprefix()``.
 
 Example::
 
   if (myset.hasprefix(req.url)) {
      # Construct a redirect response for another host, using the
-     # matching prefix in the request URL as the new URL.
+     # matching prefix in the request URL as the new URL path.
      set resp.http.Location = "http://other.com" + myset.element();
   }
 
@@ -629,8 +634,8 @@ If ``all`` is ``false``, then return the result of replacing the first
 portion of ``str`` that matches the regex with ``sub``. ``sub`` may
 contain backreferences ``\0`` through ``\9``, to include captured
 substrings from ``str`` in the substitution. This is the same
-operation performed by the native VCL function ``regsub(str, regex,
-sub)`` (see vcl(7)). By default, ``all`` is false.
+operation performed by the native VCL function
+``regsub(str, regex, sub)`` (see vcl(7)). By default, ``all`` is false.
 
 If ``all`` is ``true``, return the result of replacing each
 non-overlapping portion of ``str`` that matches the regex with ``sub``