diff --git a/Makefile.am b/Makefile.am
index 997efab..a78dc36 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 AM_CFLAGS = # CFLAGS applicable to all executables (products)
 
-bin_PROGRAMS = myexecutable
+bin_PROGRAMS = myexecutable # make all will generate ./my_executable 
 myexecutable_SOURCES = \
                        src/main.c
 myexecutable_CFLAGS = #--std=c11 # CFLAGS applicable to myexecutable_SOURCES
@@ -9,9 +9,14 @@ myexecutable_CFLAGS = #--std=c11 # CFLAGS applicable to myexecutable_SOURCES
 # 'check' comes from 'make check'
 check_PROGRAMS = testsuite # will generate and run testsuite exec
 
+testsuite_SOURCES = tests/test.c
+
+# In this case the testsuite (test.c) requires glib2.0
+# for the g_test_* test harness. glib2.0 requires specific
+# CFLAGS and -l options that are retrieved from pkg-config (configure.ac)
+# DEPS_CFLAGS and DEPS_LIBS are filled by PKG_CHECK_MODULES (configure.ac)
 testsuite_CFLAGS = $(DEPS_CFLAGS) # DEPS_* are filled by PKG_CHECK_MODULES 
 testsuite_LDADD = $(DEPS_LIBS)     # in configure.ac
 
-testsuite_SOURCES = tests/test.c
 TESTS = testsuite # https://www.gnu.org/software/automake/manual/html_node/Scripts_002dbased-Testsuites.html#Scripts_002dbased-Testsuites