bin/dev.sh: fix `memopol-update-all` alias

`memopol-update-all` was not working due to a typo in its definition.
Fixed.

bin/dev.sh

@@ -13,7 +13,7 @@ echo $ALIASROOT
 echo "Create a dedicated alias file in $ALIASROOT"
 echo "alias memopol-code=\"cd $REPOROOT && source $REPOROOT/memopol_env/bin/activate && DJANGO_DEBUG=True\"" > $ALIASROOT
 echo "alias memopol-launch=\"memopol-code && memopol runserver\"" >> $ALIASROOT
-echo "alias memopol-update-all=\"memopol-code && bin/update-all\"" >> $ALIASROOT
+echo "alias memopol-update-all=\"memopol-code && bin/update_all\"" >> $ALIASROOT
 echo "alias memopol-refresh-scores=\"memopol-code && memopol refresh_scores\"" >> $ALIASROOT
 
 case $SHELL in