diff --git a/domo91.py b/domo91.py
index 6a2ddc8..8962c8a 100644
--- a/domo91.py
+++ b/domo91.py
@@ -388,13 +388,13 @@ if st.session_state["role"] == "superviseur":
                         temp_max = chambre["Temp_Max"]
                         moins, val, plus = st.columns([1, 2, 1])
                         with moins:
-                            if st.button("-", key=f"moins_{chambre['Id']}"):
+                            if st.button("▼", key=f"moins_{chambre['Id']}"):
                                 temp_max -= 1
                         with val:
                             st.markdown(f"<div style='text-align:center;font-size:20px'>{temp_max}°C</div>",
                                         unsafe_allow_html=True)
                         with plus:
-                            if st.button("+", key=f"plus_{chambre['Id']}"):
+                            if st.button("▲", key=f"plus_{chambre['Id']}"):
                                 temp_max += 1
 
                     if new_etat != chambre["Etat"] or temp_max != chambre["Temp_Max"]: