diff --git a/exe/isql.h b/exe/isql.h
index 6e7545cc..8647f25d 100644
--- a/exe/isql.h
+++ b/exe/isql.h
@@ -26,7 +26,7 @@ char *szSyntax =
 "*      isql DSN [UID [PWD]] [options]        *\n"
 "*                                            *\n"
 "*      iusql DSN [UID [PWD]] [options]       *\n"
-"*      iusql "Connection String" [options]   *\n"
+"*      iusql \"Connection String\" [options]   *\n"
 "*                                            *\n"
 "* Options                                    *\n"
 "*                                            *\n"