diff --git a/ext/session/mod_files.sh b/ext/session/mod_files.sh
index 75ac6a2fd79..39b7292920e 100644
--- a/ext/session/mod_files.sh
+++ b/ext/session/mod_files.sh
@@ -4,7 +4,7 @@ if [[ "$2" = "" ]] || [[ "$3" = "" ]]; then
        echo "Usage: $0 BASE_DIRECTORY DEPTH HASH_BITS"
        echo "BASE_DIRECTORY will be created if it doesn't exist"
        echo "DEPTH must be an integer number >0"
-       echo "HASH_BITS(session.hash_bits_per_charactor) should be one of 4, 5, or 6"
+       echo "HASH_BITS(session.hash_bits_per_character) should be one of 4, 5, or 6"
        exit 1
 fi