diff --git a/README b/README
index 73686a8..022e191 100644
--- a/README
+++ b/README
@@ -14,8 +14,9 @@ called stlink and there are 2 versions:
 Common requirements
 ~~~~~~~~~~~~~~~~~~~
 
-libusb-1.0  (You probably already have this, but you'll need the 
+. libusb-1.0  (You probably already have this, but you'll need the
 development version to compile)
+. pkg-config
 
 IF YOU HAVE AN STLINKv1
 ~~~~~~~~~~~~~~~~~~~~~~~
@@ -128,7 +129,7 @@ STLink v1 (as found on the 32VL Discovery board)
 
 Known Working Targets:
 * STM32F100xx (Medium Density VL)
-* STM32F103 (according to jpa- on ##stm32
+* STM32F103 (according to jpa- on ##stm32)
 
 No information:
 * everything else!
diff --git a/doc/tutorial/tutorial.pdf b/doc/tutorial/tutorial.pdf
index d9b9333..275e7a8 100644
Binary files a/doc/tutorial/tutorial.pdf and b/doc/tutorial/tutorial.pdf differ
diff --git a/doc/tutorial/tutorial.tex b/doc/tutorial/tutorial.tex
index c3615df..2045d77 100644
--- a/doc/tutorial/tutorial.tex
+++ b/doc/tutorial/tutorial.tex
@@ -60,6 +60,7 @@ are identical.
 Before continuing, the following dependencies must be met:
 \begin{itemize}
 \item libusb-1.0
+\item pkg-config
 \end{itemize}
 
 \paragraph{}