diff --git a/doc/manual/getting_started_core.rst b/doc/manual/getting_started_core.rst
index 864d020c5..20d7482b6 100644
--- a/doc/manual/getting_started_core.rst
+++ b/doc/manual/getting_started_core.rst
@@ -79,7 +79,7 @@ A number of Python algorithmic features can be used inside a kernel for compilat
 
 * Booleans
 * 32-bit signed integers (default size)
-* 64-bit signed integers (:class:`artiq.language.core.int64`)
+* 64-bit signed integers (use ``int(n, width=64)`` to convert)
 * Signed rational numbers with 64-bit numerator and 64-bit denominator
 * Double-precision floating point numbers
 * Lists of the above types. Lists can be arbitrarily nested.