diff --git a/sample.c b/sample.c
index 86d241de..2b9a3521 100644
--- a/sample.c
+++ b/sample.c
@@ -472,7 +472,7 @@ int main(int argc, char **argv){
         case SSH_SERVER_FILE_NOT_FOUND:
             fprintf(stderr,"Could not find known host file. If you accept the host key here,\n");
             fprintf(stderr,"the file will be automatically created.\n");
-            /* fallback to SSH_SERVER_NOT_KNOWN behaviour */
+            /* fallback to SSH_SERVER_NOT_KNOWN behavior */
         case SSH_SERVER_NOT_KNOWN:
             hexa = ssh_get_hexa(hash, hlen);
             free(hash);