diff --git a/README.rst b/README.rst
index 46efff3..b7943ab 100644
--- a/README.rst
+++ b/README.rst
@@ -47,7 +47,7 @@ A C++ toolchain: [required]
 	Either {g++, clang}
 
 Meson Build system: [required]
-        meson (>= 0.47) ninja-build
+        meson (>= 0.47) ninja-build pkg-config
 
         If your distribution doesn't provide a recent enough version of meson,
         you can install or upgrade it using pip3.
@@ -73,7 +73,7 @@ for building the RPi IPA: [optional]
             -Dpipelines=vimc,uvcvideo,ipu3,rkisp1
 
 for device hotplug enumeration: [optional]
-	pkg-config libudev-dev
+	libudev-dev
 
 for documentation: [optional]
 	python3-sphinx doxygen