DOC: Point reader to docstring in doc/formats/seq/textgrid.md

doc/formats/seq/textgrid.md

@@ -1,12 +1,20 @@
 (textgrid)=
 
-# Praat .TextGrid files
+# Praat TextGrid files
 
-Annotation format saved by the [Praat](https://www.fon.hum.uva.nl/praat/) application. 
-More details about annotating with Praat can be found here:
+Annotation file format saved by the [Praat](https://www.fon.hum.uva.nl/praat/) application. 
+
+More details about annotating with Praat can be found here:  
 <https://www.fon.hum.uva.nl/praat/manual/Intro_7__Annotation.html>
-The specification for TextGrid objects is here: 
+
+The specification for TextGrid files is here:  
 <https://www.fon.hum.uva.nl/praat/manual/TextGrid_file_formats.html>
 
 The annotations can be loaded with the following class: 
 {py:class}`crowsetta.formats.seq.textgrid.TextGrid`.
+Please see that documentation for more details 
+and examples of which TextGrid files 
+crowsetta can parse, and how crowsetta can convert 
+interval tiers from TextGrid files to 
+{py:class}`crowsetta.Sequence` instances 
+and {py:class}`crowsetta.Annotation` instances.