[FYI] {maint} cosmetics: fix a botched comment in a maintainer check

[Stefano Lattarini]

* Makefile.am (sc_tests_make_without_am_makeflags): Adjust
botched description of this check.
---
 Makefile.am |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index b9166db..06b3396 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -397,7 +397,8 @@ sc_AMDEP_TRUE_in_automake_in:
          exit 1; \
        fi
 
-## Tests should never call make directly.
+## Recursive make invocations should always pass $(AM_MAKEFLAGS)
+## to $(MAKE), for portability to non-GNU make.
 sc_tests_make_without_am_makeflags:
        @if grep '^[^#].*(MAKE) ' $(srcdir)/lib/am/*.am $(srcdir)/automake.in |\
                grep -v 'AM_MAKEFLAGS'; then \
-- 
1.7.7.3