diff --git a/doc/lainsafe.1 b/doc/lainsafe.1
index 0f4846e..16d8cf8 100644
--- a/doc/lainsafe.1
+++ b/doc/lainsafe.1
@@ -12,7 +12,10 @@ It runs in a Web server (i.e. nginx) with a CGI handler
 
 You also have to install the dependencies, in Debian:
 
-.B apt install nginx libcgi-pm-perl
+.in +4n
+.EX
+apt install nginx libcgi-pm-perl
+.EE
 
 .SH INSTALLATION
 
diff --git a/doc/lainsafe.md b/doc/lainsafe.md
index e4008b6..a0ade64 100644
--- a/doc/lainsafe.md
+++ b/doc/lainsafe.md
@@ -12,7 +12,7 @@ It runs in a Web server (i.e. nginx) with a CGI handler (i.e. fcgiwrap)
 
 You also have to install the dependencies, in Debian:
 
-**apt install nginx libcgi-pm-perl**
+    apt install nginx libcgi-pm-perl
 
 INSTALLATION
 ============