diff --git a/README.md b/README.md
index c1d7cfc..0f44e43 100644
--- a/README.md
+++ b/README.md
@@ -61,9 +61,9 @@
* [OpenSCAP Base](#openscap-base)
* [SCAP Workbench](#scap-workbench)
- **[DevSec Hardening Framework](#devsec-hardening-framework)**
-- **[Contributing & Support](#contributing-support)**
+- **[Contributing & Support](#contributing--support)**
- **[External resources](#external-resources)**
- * [Other official hardening guides](lib/pre_install_tasks/other_official_hardening_guides.md#other-official-hardening-guides)
+ * [Other official hardening guides](lib/external_resources/other_official_hardening_guides.md#other-official-hardening-guides)
- **[Pre install tasks](#pre-install-tasks)**
* **[Physical system security](lib/pre_install_tasks/physical_system_security.md#physical-system-security)**
+ [Introduction](lib/pre_install_tasks/physical_system_security.md#information_source-introduction)
diff --git a/lib/external_resources/other_official_hardening_guides.md b/lib/external_resources/other_official_hardening_guides.md
index 1638917..ffa5d0b 100644
--- a/lib/external_resources/other_official_hardening_guides.md
+++ b/lib/external_resources/other_official_hardening_guides.md
@@ -5,8 +5,8 @@
| Type of hardening guide | Comments |
| :--- | :--- |
| [STIGs Master List](https://iase.disa.mil/stigs/Pages/a-z.aspx) ||
-| [Security Harden CentOS 7](https://highon.coffee/blog/security-harden-centos-7/) | compliance with OpenSCAP |
-| [CentOS 7 Server Hardening Guide](https://www.lisenet.com/2017/centos-7-server-hardening-guide/) | compliance with OpenSCAP |
+| [Security Harden CentOS 7](https://highon.coffee/blog/security-harden-centos-7/) | compliant with OpenSCAP |
+| [CentOS 7 Server Hardening Guide](https://www.lisenet.com/2017/centos-7-server-hardening-guide/) | compliant with OpenSCAP |
| [Arch Linux](https://wiki.archlinux.org/index.php/Security) ||
| [CentOS Linux](https://wiki.centos.org/HowTos/OS_Protection) ||
| [Debian GNU/Linux](https://www.debian.org/doc/manuals/securing-debian-howto/index.en.html) | old guide - to update |