From 7674bb3f43c330c937e5c4578efff4ebdea624a7 Mon Sep 17 00:00:00 2001
From: Raoul Bourquin <noreply@undefined.home.arpa>
Date: Wed, 28 Sep 2022 04:30:56 +0200
Subject: [PATCH] Add some more doc

---
 doc/source/ca.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/source/ca.rst b/doc/source/ca.rst
index 15495f2..ee01c55 100644
--- a/doc/source/ca.rst
+++ b/doc/source/ca.rst
@@ -351,7 +351,8 @@ Special values
 
 .. function:: void ca_tribonacci_constant(ca_t res, ca_ctx_t ctx)
 
-    Sets *res* to the Tribonacci constant `T_c`.
+    Sets *res* to the Tribonacci constant `T_c`. This creates an element
+    of the algebraic number field `\mathbb{Q}(T_c)`.
 
 .. function:: void ca_unknown(ca_t res, ca_ctx_t ctx)