diff --git a/src/MAKE/Makefile.mac b/src/MAKE/Makefile.mac
index ac73c7aece..9ef3eb281f 100755
--- a/src/MAKE/Makefile.mac
+++ b/src/MAKE/Makefile.mac
@@ -1,4 +1,4 @@
-# mac = Apple PowerBook G4 laptop, c++, no MPI, FFTW 2.1.5
+# mac = Apple PowerBook G4 laptop, c++, Intel ifort, no MPI, FFTW 2.1.5
 
 SHELL = /bin/sh
 
diff --git a/src/MAKE/Makefile.mac_mpi b/src/MAKE/Makefile.mac_mpi
index db60bd2e80..dfe88546c7 100755
--- a/src/MAKE/Makefile.mac_mpi
+++ b/src/MAKE/Makefile.mac_mpi
@@ -1,4 +1,4 @@
-# mac_mpi = Apple PowerBook G4 laptop, mpic++, fink LAM/MPI, fink FFTW 2.1.5
+# mac_mpi = Apple PowerBook G4 laptop, mpic++, gfortran, fink LAM/MPI, fink FFTW 2.1.5
 
 SHELL = /bin/sh