Improve blaze query documentation.

Fixes https://github.com/bazelbuild/bazel/issues/5929

RELNOTES: None
PiperOrigin-RevId: 308993631
diff --git a/site/docs/query.html b/site/docs/query.html
index fe2c330..0875aac 100644
--- a/site/docs/query.html
+++ b/site/docs/query.html
@@ -580,10 +580,12 @@
 <p>
   The <code>deps</code> operator accepts an optional second argument,
   which is an integer literal specifying an upper bound on the depth
-  of the search.  So <code>deps(foo:*, 1)</code> evaluates to all the
-  direct prerequisites of any target in the <code>foo</code> package,
-  and <code>deps(foo:*, 2)</code> further includes the nodes directly
-  reachable from the nodes in <code>deps(foo:*, 1)</code>, and so on.
+  of the search. So <code>deps(foo:*, 0)</code> returns all targets
+  in the <code>foo</code> package, while <code>deps(foo:*, 1)</code>
+  further includes the direct prerequisites of any target in the
+  <code>foo</code> package, and <code>deps(foo:*, 2)</code> further
+  includes the nodes directly reachable from the nodes in
+  <code>deps(foo:*, 1)</code>, and so on.
   (These numbers correspond to the ranks shown in
   the <a href='#output-ranked'><code>minrank</code></a> output
   format.)  If the <var>depth</var> parameter is omitted, the search