diff --git a/docs/books/admin_guide/01-presentation.md b/docs/books/admin_guide/01-presentation.md
index 0ca2aa5620..feea41443c 100644
--- a/docs/books/admin_guide/01-presentation.md
+++ b/docs/books/admin_guide/01-presentation.md
@@ -66,7 +66,7 @@ UNIX is still relevant today (HP-UX, AIX, Solaris, etc.)
 
 #### Minix
 
-* **1987**: A.S. Tanenbaum develops MINIX, a simplified UNIX, to teach operating systems in a simple way. Mr. Tanenbaum makes the source code of his operating system available.
+* **1987**: Andrew S. Tanenbaum develops MINIX, a simplified UNIX, to teach operating systems in a simple way. Mr. Tanenbaum makes the source code of his operating system available.
 
 #### Linux