diff --git a/linux.md b/linux.md
index 627ab65..7d3c6ff 100644
--- a/linux.md
+++ b/linux.md
@@ -198,10 +198,10 @@ Make sure that you're running the 2nd-newest OS version or the newest version -
     wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
     sudo apt update
     sudo apt install postgresql-16
-    echo "export PSQL_PAGER=\"less --chop-long-lines --header 1\"" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshenv' || echo '.bashrc'`
+    echo -e "\nexport PSQL_PAGER=\"less --chop-long-lines --header 1\"" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshenv' || echo '.bashrc'`
+    echo "export LANG=en_US.UTF-8" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshenv' || echo '.bashrc'`
     PGDATA=$(dirname "$(sudo -u postgres psql --tuples-only --pset format=unaligned --command "SHOW config_file;")")
     source ~/`[[ $SHELL == *"zsh" ]] && echo '.zshenv' || echo '.bashrc'`
-    perl -i -pe 's/^[#\s]*(lc_messages|lc_time)\s*=.+$/\1 = '\''en_US.UTF-8'\''/' "$PGDATA/postgresql.conf"
     perl -i -pe "s/^[#\s]*(timezone|log_timezone)\s*=.+$/\1 = 'UTC'/" "$PGDATA/postgresql.conf"
     ```
 
diff --git a/macos.md b/macos.md
index 6a0c503..48705d3 100644
--- a/macos.md
+++ b/macos.md
@@ -191,9 +191,10 @@ Make sure that you're running the 2nd-newest macOS version or the newest version
 
     ```bash
     [[ -d /opt/homebrew/var/postgresql@16 ]] && PGDATA_TMP=/opt/homebrew/var/postgresql@16 || PGDATA_TMP=/usr/local/var/postgresql@16
-    echo "\nexport PGDATA=$PGDATA_TMP\nexport PSQL_PAGER=\"less --chop-long-lines --header 1\"" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshrc' || echo '.bash_profile'`
+    echo -e "\nexport PGDATA=$PGDATA_TMP" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshrc' || echo '.bash_profile'`
+    echo "export PSQL_PAGER=\"less --chop-long-lines --header 1\"" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshrc' || echo '.bash_profile'`
+    echo "export LANG=en_US.UTF-8" >> ~/`[[ $SHELL == *"zsh" ]] && echo '.zshrc' || echo '.bash_profile'`
     source ~/`[[ $SHELL == *"zsh" ]] && echo '.zshrc' || echo '.bash_profile'`
-    perl -i -pe 's/^[#\s]*(lc_messages|lc_time)\s*=.+$/\1 = '\''en_US.UTF-8'\''/' "$PGDATA/postgresql.conf"
     perl -i -pe "s/^[#\s]*(timezone|log_timezone)\s*=.+$/\1 = 'UTC'/" "$PGDATA/postgresql.conf"
     ```
 
diff --git a/windows.md b/windows.md
index 8819adb..8d08889 100644
--- a/windows.md
+++ b/windows.md
@@ -253,11 +253,11 @@ With those compatibility things out of the way, you're ready to start the system
     Now let's set an environment variable to tell PostgreSQL where to find the programs and where to put the data. Copy and run each of these lines separately in Hyper:
 
     ```bash
-    echo "export PATH=\$PATH:\"/c/Program Files/PostgreSQL/16/bin\"" >> "$USERPROFILE/.bash_profile"
+    echo -e "\nexport PATH=\$PATH:\"/c/Program Files/PostgreSQL/16/bin\"" >> "$USERPROFILE/.bash_profile"
     echo "export PGDATA=\"/c/Program Files/PostgreSQL/16/data\"" >> "$USERPROFILE/.bash_profile"
     echo "export PSQL_PAGER=\"less --chop-long-lines --header 1\"" >> "$USERPROFILE/.bash_profile"
+    echo "export LANG=en_US.UTF-8" >> "$USERPROFILE/.bash_profile"
     source "$USERPROFILE/.bash_profile"
-    perl -i -pe 's/^[#\s]*(lc_messages|lc_time)\s*=.+$/\1 = '\''en_US.UTF-8'\''/' "$PGDATA/postgresql.conf"
     perl -i -pe "s/^[#\s]*(timezone|log_timezone)\s*=.+$/\1 = 'UTC'/" "$PGDATA/postgresql.conf"
     perl -i -pe "s/^logging_collector = on/logging_collector = off/" "$PGDATA/postgresql.conf"
     ```