diff --git a/mercurial/help/filesets.txt b/mercurial/help/filesets.txt
--- a/mercurial/help/filesets.txt
+++ b/mercurial/help/filesets.txt
@@ -15,11 +15,19 @@ Special characters can be used in quoted
 e.g., ``\n`` is interpreted as a newline. To prevent them from being
 interpreted, strings can be prefixed with ``r``, e.g. ``r'...'``.
 
+See also :hg:`help patterns`.
+
+Prefix
+======
+
 There is a single prefix operator:
 
 ``not x``
   Files not in x. Short form is ``! x``.
 
+Infix
+=====
+
 These are the supported infix operators:
 
 ``x and y``
@@ -32,10 +40,16 @@ These are the supported infix operators:
 ``x - y``
   Files in x but not in y.
 
+Predicates
+==========
+
 The following predicates are supported:
 
 .. predicatesmarker
 
+Examples
+========
+
 Some sample queries:
 
 - Show status of files that appear to be binary in the working directory::
@@ -61,5 +75,3 @@ Some sample queries:
 - Remove files listed in foo.lst that contain the letter a or b::
 
     hg remove "set: 'listfile:foo.lst' and (**a* or **b*)"
-
-See also :hg:`help patterns`.