diff --git a/README.md b/README.md
index bdd186be..e9790588 100644
--- a/README.md
+++ b/README.md
@@ -606,23 +606,35 @@ Reference:
 
 # How to test with Valgrind
 
-To test your minishell extensively with Valgrind, but without any reports from external commands, you can use this command:
+To test your minishell extensively with Valgrind, but without any reports from external commands, you can add the `valms` function to your bash and zsh:
 ```bash
-bash -c '
-export SUPPRESSION_FILE=$(mktemp)
-curl -s https://raw.githubusercontent.com/LeaYeh/42_minishell_tester/master/utils/minishell.supp > $SUPPRESSION_FILE
-export VALGRIND=$(which valgrind)
-export VALGRINDFLAGS="--errors-for-leak-kinds=all --leak-check=full --read-var-info=yes --show-error-list=yes --show-leak-kinds=all --suppressions=$SUPPRESSION_FILE --trace-children=yes --track-origins=yes"
-export VALGRINDFDFLAGS="--track-fds=all"
-export IGNORED_PATHS="/bin/* /usr/bin/* /usr/sbin/* $(which -a norminette)"
-export VALGRINDFLAGS+=" --trace-children-skip=$(echo $IGNORED_PATHS | sed '"'"'s/ /,/g'"'"')"
-export PATH="/bin:/usr/bin:/usr/sbin:$PATH"
-$VALGRIND $VALGRINDFLAGS $VALGRINDFDFLAGS ./minishell
-EXIT_CODE=$?
-rm -f $SUPPRESSION_FILE
-echo "Exit code: $EXIT_CODE"
-exit $EXIT_CODE
-'
+tee -a ~/.zshrc ~/.bashrc >/dev/null << 'EOF'
+
+valms() {
+    bash -c '
+    export SUPPRESSION_FILE=$(mktemp)
+    curl -s https://raw.githubusercontent.com/LeaYeh/42_minishell_tester/master/utils/minishell.supp > $SUPPRESSION_FILE
+    export VALGRIND=$(which valgrind)
+    export VALGRINDFLAGS="--errors-for-leak-kinds=all --leak-check=full --read-var-info=yes --show-error-list=yes --show-leak-kinds=all --suppressions=$SUPPRESSION_FILE --trace-children=yes --track-origins=yes"
+    export VALGRINDFDFLAGS="--track-fds=all"
+    export IGNORED_PATHS="/bin/* /usr/bin/* /usr/sbin/* $(which -a norminette)"
+    export VALGRINDFLAGS+=" --trace-children-skip=$(echo $IGNORED_PATHS | sed '"'"'s/ /,/g'"'"')"
+    export PATH="/bin:/usr/bin:/usr/sbin:$PATH"
+    $VALGRIND $VALGRINDFLAGS $VALGRINDFDFLAGS ./minishell
+    EXIT_CODE=$?
+    rm -f $SUPPRESSION_FILE
+    echo "Exit code: $EXIT_CODE"
+    exit $EXIT_CODE
+    '
+}
+
+EOF
+exec $SHELL
+```
+
+**Usage:**
+```bash
+valms
 ```
 
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