diff --git a/certbotinstall b/certbotinstall
index 0b8f2e1..0397f7e 100755
--- a/certbotinstall
+++ b/certbotinstall
@@ -63,7 +63,7 @@ while [[ $# -gt 0 ]]; do
 
             if [[ ! "$apitoken" =~ ^[A-Za-z0-9_-]{20,120}$ ]]; then
                 printf "\nERROR: Invalid API token format.\n"
-                printf "Expected 20–120 characters (A–Z, a–z, 0–9, - or _).\n\n"
+                printf "Expected 20-120 characters (A–Z, a–z, 0–9, - or _).\n\n"
                 exit 1
             fi