diff --git a/build/Debian.md b/build/Debian.md
index 6c08615..46b3b60 100644
--- a/build/Debian.md
+++ b/build/Debian.md
@@ -56,7 +56,7 @@ sudo apt-get install \
 	libdb-dev \
 	libpcre2-dev \
         libyaml-dev \
-		libpython3-dev \
+	python3 libpython3-dev \
         default-jdk junit4
 ```
 
@@ -79,9 +79,10 @@ including all packages without issues. If you want to reduce resources, the foll
   Without, you have no regular expression support (library(pcre)).
   $ libyaml-dev :
   Without you have no YAML support (library(yaml)).
-  $ libpython3-dev :
+  $ python3 libpython3-dev :
   Without you have no library(janus), providing access to an embedded
-  Python interpreter.
+  Python interpreter, neither teh MQI package to access SWI-Prolog using
+  network communication from Python.
 
 Note that including GMP support makes the memory footprint bigger, but
 mostly if you have no other applications depending on GMP. All the other