diff --git a/Makefile.am b/Makefile.am
index de36e22b..c0709c93 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -15,7 +15,7 @@ SUBDIRS += libltdl
 endif  DESCEND_LIBLTDL
 SUBDIRS += src sample doc test
 
-# do_subst, inspired by the automake project
+## do_subst, inspired by the automake project
 do_subst = ( sed \
   -e 's,[@]VERSION[@],$(VERSION),g' \
   -e 's,[@]PACKAGE_VERSION[@],$(PACKAGE_VERSION),g' \
@@ -48,7 +48,7 @@ twstools.spec twstools.pc: version.mk
 	$(do_subst) <$(srcdir)/$@.in >$@-t
 	mv -f $@-t $@
 
-# Rule to build RPM distribution package
+## Rule to build RPM distribution package
 rpm: dist-gzip
 	rpmbuild -ta $(distdir).tar.gz
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 97434d3a..0a4c2419 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -87,7 +87,7 @@ proof_of_concept_la_LDFLAGS = -module
 proof_of_concept_la_LDFLAGS += -rpath /none
 
 
-# Build all executables at distribution time to generate the man pages.
+## Build all executables at distribution time to generate the man pages.
 dist-hook: $(bin_PROGRAMS)
 
 ## hack to build libtdl (at least initially) if dist-hook binaries need it
@@ -114,9 +114,6 @@ version.c: version.c.in $(top_builddir)/version.mk
 	  $*_ggo.h >$*_ggo.h-t \
 	&& mv $*_ggo.h-t $*_ggo.h
 
-#
-# Help the developers get nice post-processed source files
-
 ## Create preprocessor output (debugging purposes only)
 .c.i:
 	$(COMPILE) -E -o $@ $<
diff --git a/test/Makefile.am b/test/Makefile.am
index 7639e3d0..b990d1fc 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -36,4 +36,3 @@ dist_noinst_DATA += work_hist_cash_01.xml
 clean-local:
 	-rm -rf *.tmpd
 
-## Makefile.am ends here