From 4c54441bba430fa23804b58738acde16accaaebb Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Sun, 17 Apr 2016 15:34:09 -0400
Subject: [PATCH] Docs: Updated grammar

---
 doc/grammar.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/doc/grammar.txt b/doc/grammar.txt
index 0d847cda..dec7fe4b 100644
--- a/doc/grammar.txt
+++ b/doc/grammar.txt
@@ -28,7 +28,7 @@ Filter
 ------
 A filter is a combination of an <interval> and <tagset>, both being optional.
 
-An interval is a representation of a time range.
+An interval is a representation of a time range with tags.
 
   <interval>:
     ["from"] <date> ["to"|"-" <date>]
@@ -46,7 +46,7 @@ Examples of an interval:
     4wks
     since socm for 2wks
 
-A tagset is a set of unique UTF-8 strings, each indentifying some trackable
+A tagset is a set of unique UTF-8 strings, each identifying some trackable
 entity.
 
   <tagset>:
@@ -59,6 +59,8 @@ Examples of a tagset:
     Fiscal\ Policy\ Alignment\ Project      (1 tag)
     Home Garden                             (2 tags)
 
+A tag may have any value that is not a supported form of date or duration.
+
 
 Hints
 -----