diff --git a/configure.ac b/configure.ac
index 0f62eebd13075777b77bf2ab5b5500f62098588f..d1091e02615281be3880cb57975a389c4b79d994 100644
--- a/configure.ac
+++ b/configure.ac
@@ -529,6 +529,7 @@ FP_SET_CFLAGS_C99([CC],[CONF_CC_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
 
 dnl ** Which ld to use
 dnl --------------------------------------------------------------
+AC_ARG_VAR(LD,[Use as the path to ld. See also --disable-ld-override.])
 FIND_LD([$target],[GccUseLdOpt])
 CONF_GCC_LINKER_OPTS_STAGE1="$CONF_GCC_LINKER_OPTS_STAGE1 $GccUseLdOpt"
 CONF_GCC_LINKER_OPTS_STAGE2="$CONF_GCC_LINKER_OPTS_STAGE2 $GccUseLdOpt"