diff --git a/src/calibre/manual/faq.rst b/src/calibre/manual/faq.rst
index c85ffb058d..afd87e14b6 100644
--- a/src/calibre/manual/faq.rst
+++ b/src/calibre/manual/faq.rst
@@ -28,7 +28,7 @@ What formats does |app| support conversion to/from?
 |                   |        |                  |                       |                       |
 |                   |  LIT   |       ✔          |          ✔            |          ✔            |
 |                   |        |                  |                       |                       |
-|                   |  PRC   |       ✔          |          ✔            |          ✔            |
+|                   |  PRC*  |       ✔          |          ✔            |          ✔            |
 |                   |        |                  |                       |                       |
 |                   |  EPUB  |       ✔          |          ✔            |          ✔            |
 |                   |        |                  |                       |                       |
@@ -48,7 +48,7 @@ What formats does |app| support conversion to/from?
 |                   |        |                  |                       |                       |
 |                   |  LRS   |                  |          ✔            |                       |
 +-------------------+--------+------------------+-----------------------+-----------------------+
-           
+* PRC is a generic format, |app| supports PRC files with TextRead and MOBIBook headers
 
 
 What are the best source formats to convert?