diff --git a/Documentation/user-search.txt b/Documentation/user-search.txt
index cafd5ca..6c4b78b 100644
--- a/Documentation/user-search.txt
+++ b/Documentation/user-search.txt
@@ -279,6 +279,11 @@
 `file:"^name[1-3].xml"`.
 +
 Slash ('/') is used path separator.
++
+More examples:
+* `-file:^path/.*` - changes that do not modify files from `path/`,
+* `file:{^~(path/.*)}` - changes that modify files not from `path/` (but may
+contain files from `path/`).
 
 [[file]]
 file:'NAME', f:'NAME'::
@@ -490,7 +495,7 @@
 For example, added:>50 will be true for any change which adds at least 50
 lines.
 +
-Valid relations are >=, >, <=, <, or no relation, which will match if the
+Valid relations are >=, >, \<=, <, or no relation, which will match if the
 number of lines is exactly equal.
 
 [[commentby]]
@@ -542,7 +547,7 @@
 For example, unresolved:>0 will be true for any change which has at least one unresolved
 comment while unresolved:0 will be true for any change which has all comments resolved.
 +
-Valid relations are >=, >, <=, <, or no relation, which will match if the number of unresolved
+Valid relations are >=, >, \<=, <, or no relation, which will match if the number of unresolved
 comments is exactly equal.
 
 == Argument Quoting
@@ -659,7 +664,7 @@
 Matches changes with a +1 code review where the reviewer is in the
 ldap/linux.workflow group.
 
-`label:Code-Review<=-1`::
+`label:Code-Review\<=-1`::
 +
 Matches changes with either a -1, -2, or any lower score.