diff --git a/lib/chkfft.f90 b/lib/chkfft.f90
index f0ab4e8a6..e9448171c 100644
--- a/lib/chkfft.f90
+++ b/lib/chkfft.f90
@@ -62,7 +62,7 @@ program chkfft
   endif
 
   idum=-1                               !Set random seed
-  ndim=1				!One-dimensional transforms
+  ndim=1                                !One-dimensional transforms
   do i=1,NMAX                           !Set random data
      x=gran()
      y=gran()
diff --git a/lib/chkfft2.f90 b/lib/chkfft2.f90
index 9effd4c39..298f3db66 100644
--- a/lib/chkfft2.f90
+++ b/lib/chkfft2.f90
@@ -69,7 +69,7 @@ program chkfft
   endif
 
   idum=-1                               !Set random seed
-  ndim=1				!One-dimensional transforms
+  ndim=1                                !One-dimensional transforms
   do i=1,NMAX                           !Set random data
      x=gran()
      y=gran()
diff --git a/lib/chkfft3.f90 b/lib/chkfft3.f90
index cb9df062d..01b3d3b42 100644
--- a/lib/chkfft3.f90
+++ b/lib/chkfft3.f90
@@ -70,7 +70,7 @@ program chkfft
   endif
 
   idum=-1                               !Set random seed
-  ndim=1				!One-dimensional transforms
+  ndim=1                                !One-dimensional transforms
   do i=1,NMAX                           !Set random data
      x=gran()
      y=gran()
diff --git a/lib/contest72.f90 b/lib/contest72.f90
index f637c4327..4b8df25a8 100644
--- a/lib/contest72.f90
+++ b/lib/contest72.f90
@@ -56,7 +56,7 @@ program contest72
         write(ct1,1010) dat
 1010    format(12b6.6)
 !        write(*,1014) ct1
-1014    format(a72)
+!1014    format(a72)
         cycle
      endif