Modernize

wiki/src/blueprint/monthly_report.mdwn

@@ -190,7 +190,7 @@ Template
 
     XXX: Add the output of (adjust month!):
 
-        sudo apt-get install intltool
+        sudo apt install intltool
         git checkout $(git rev-list -n 1 --before="September 1" origin/master) && \
         git submodule update --init && \
         ./wiki/src/contribute/l10n_tricks/language_statistics.sh