Why the package description is not complete when executing the dpkg command?

Why the package description is not complete when executing the dpkg command?

I notice this problem and I don't know how to solve it.

NAME="Ubuntu"
VERSION="18.04.5 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.5 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic

Host 1 with Ubuntu 18.04.5
dpkg -l
ii dh-strip-nondeterminism 0.040-1.1~build1 all file non-deterministic information stripper â
ii gnome-themes-extra:amd64 3.28-1ubuntu1 amd64 Adwaita GTK+ 2 theme â
ii gnome-themes-extra-data 3.28-1ubuntu1 all Adwaita GTK+ 2 theme â
ii libfile-stripnondeterminism-perl 0.040-1.1~build1 all file non-deterministic information stripper â
ii python-lockfile 1:0.12.2-2 all file locking library for Python â
ii python-ubuntutools 0.175~18.04.1 all useful APIs for Ubuntu developer tools â
ii python3-ubuntutools 0.175~18.04.1 all useful APIs for Ubuntu developer tools â

Host 2 with Ubuntu 18.04.5
dpkg -l
ii dh-strip-nondeterminism 0.040-1.1~build1 all file non-deterministic information stripper — Debhelper add-on
ii gnome-themes-extra:amd64 3.28-1ubuntu1 amd64 Adwaita GTK+ 2 theme — engine
ii gnome-themes-extra-data 3.28-1ubuntu1 all Adwaita GTK+ 2 theme — common files
ii libfile-stripnondeterminism-perl 0.040-1.1~build1 all file non-deterministic information stripper — Perl module
ii python-lockfile 1:0.12.2-2 all file locking library for Python — Python 2 library
ii python-ubuntutools 0.175~18.04.1 all useful APIs for Ubuntu developer tools — Python 2 library
ii python3-ubuntutools 0.175~18.04.1 all useful APIs for Ubuntu developer tools — Python 3 library

This character "â" should not appear; do you know what it can be?

Thanks