doc: fix reference to CTNG supported toolchains
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/doc/getting_started/installation_mac.rst b/doc/getting_started/installation_mac.rst
index 0e7de45..636dd6c 100644
--- a/doc/getting_started/installation_mac.rst
+++ b/doc/getting_started/installation_mac.rst
@@ -163,10 +163,11 @@
Setting the Toolchain Options
=============================
-In the Zephyr kernel source tree we provide two configurations for
-both ARM and X86 that can be used to preselect the options needed
-for building the toolchain.
-The configuration files can be found in :file:`${ZEPHYR_BASE}/scripts/cross_compiler/`.
+In the Zephyr kernel source tree we provide configurations for NIOS-II and
+X86 that can be used to preselect the options needed for building the toolchain.
+
+The configuration files can be found in
+:file:`${ZEPHYR_BASE}/scripts/cross_compiler/`.
Currently the following configurations are provided:
