--- a/src/INSTALL
+++ b/src/INSTALL
@@ -40,7 +40,8 @@
External file types. Recoll uses external applications to index some file
types. You need to install them for the file types that you wish to have
- indexed:
+ indexed (these are run-time dependencies. None is needed for building
+ Recoll):
* PDF: pdftotext is part of the Xpdf package.
@@ -53,6 +54,10 @@
* dvi: dvips
* djvu: DjVuLibre
+
+ * MP3: Recoll will use the id3info command from the id3lib package to
+ extract tag information. Without it, only the filenames will be
+ indexed.
Text, Html, mail folders and Openoffice files are processed internally.