docs: fix misleading description.

PR14890

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172160 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/userguides.rst b/docs/userguides.rst
index 7e4e3b7..c0a4356 100644
--- a/docs/userguides.rst
+++ b/docs/userguides.rst
@@ -48,8 +48,8 @@
     
 * :doc:`tutorial/index`
 
-   A walk through the process of using LLVM for a custom language, and the
-   facilities LLVM offers in tutorial form.
+   Tutorials about using LLVM. Includes a tutorial about making a custom
+   language with LLVM.
 
 * :ref:`developer_policy`