diff --git a/README.md b/README.md
index e8341f5..37260f3 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,8 @@ Configuration
 =============
 
 In order to change the default behavior of the library, the libnfc uses a
-configuration file located in sysconfdir (as provided to ./configure).
+configuration file generated by `autoreconf -fiv` located in sysconfdir
+(as provided to ./configure).
 
 A sample commented file is available in sources: libnfc.conf.sample
 
@@ -136,8 +137,9 @@ all the information described in "How to Report Bugs".
 Building
 ========
 
-It should be as simple as running these two commands:
+It should be as simple as running these three commands:
 
+    autoreconf -fiv
     ./configure
     make