diff --git a/docs/facilities.md b/docs/facilities.md
index 818f1c4e796dabfe06a1bc424f3f7c84520bea2b..0571e2456f53b43c55b84fe9f8d9faf5533f594f 100644
--- a/docs/facilities.md
+++ b/docs/facilities.md
@@ -245,7 +245,7 @@ Make sure to use cables with adequate wire cross section:
 
 * Use at least 1.5 mm² for 16 Amp singlephase (Schuko connector)
 * Use at least 2.5 mm² for 16 Amp triphase (CEE 16A connector)
-* Use at least 4 mm², better 6 mm² for 32 Amp triphase (CEE 32A connector)
+* Use at least 6 mm² for 32 Amp triphase (CEE 32A connector)
 
 Always use CEE connectors for triphase cables.