diff --git a/src/USER-ATC/fix_atc.cpp b/src/USER-ATC/fix_atc.cpp
index 662ac2d8c2..13b6dad29b 100644
--- a/src/USER-ATC/fix_atc.cpp
+++ b/src/USER-ATC/fix_atc.cpp
@@ -679,7 +679,8 @@ int FixATC::unpack_exchange(int nlocal, double * buf)
   return num;
 }
 
-int FixATC::pack_forward_comm(int n, int *list, double *buf, int pbc_flag, int *pbc)
+int FixATC::pack_forward_comm(int n, int *list, double *buf, 
+                              int pbc_flag, int *pbc)
 {
   int num = atc_->pack_comm(n, list, buf, pbc_flag, pbc);
   return num;
@@ -690,7 +691,6 @@ void FixATC::unpack_forward_comm(int n, int first, double *buf)
   atc_->unpack_comm(n, first, buf);
 }
 
-
 /* ----------------------------------------------------------------------
    pack values in local atom-based arrays for restart file
    ------------------------------------------------------------------------- */
diff --git a/src/comm_tiled.cpp b/src/comm_tiled.cpp
index 092b8e091f..26ff5ecdec 100644
--- a/src/comm_tiled.cpp
+++ b/src/comm_tiled.cpp
@@ -1269,8 +1269,6 @@ void CommTiled::borders()
   */
 }
 
-// NOTE: remaining forward/reverse methods still need to be updated
-
 /* ----------------------------------------------------------------------
    forward communication invoked by a Pair
 ------------------------------------------------------------------------- */
@@ -1456,6 +1454,8 @@ void CommTiled::reverse_comm_fix(Fix *fix)
   }
 }
 
+// NOTE: these two forward/reverse methods still need to be updated
+
 /* ----------------------------------------------------------------------
    forward communication invoked by a Fix
    n = total datums for all atoms, allows for variable number/atom
@@ -1727,6 +1727,8 @@ void CommTiled::forward_comm_array(int nsize, double **array)
   }
 }
 
+// NOTE: this one is not used ???
+
 /* ----------------------------------------------------------------------
    exchange info provided with all 6 stencil neighbors
 ------------------------------------------------------------------------- */
diff --git a/src/comm_tiled.h b/src/comm_tiled.h
index ebedb47e1f..b6e1f9c2c6 100644
--- a/src/comm_tiled.h
+++ b/src/comm_tiled.h
@@ -65,8 +65,8 @@ class CommTiled : public Comm {
   int **sendnum,**recvnum;      // # of atoms to send/recv per swap/proc
   int **size_forward_recv;      // # of values to recv in each forward swap/proc
   int **firstrecv;              // where to put 1st recv atom per swap/proc
-  int **size_reverse_send;      // # to send in each reverse comm per swap/proc
-  int **size_reverse_recv;      // # to recv in each reverse comm per swap/proc
+  int **size_reverse_send;      // # of values to send in each reverse swap/proc
+  int **size_reverse_recv;      // # of values to recv in each reverse swap/proc
   int **forward_recv_offset;  // forward comm offsets in buf_recv per swap/proc
   int **reverse_recv_offset;  // reverse comm offsets in buf_recv per swap/proc
 
@@ -82,7 +82,7 @@ class CommTiled : public Comm {
   int *nexchproc;               // # of procs to send/recv to/from in each exch
   int *nexchprocmax;            // current max # of exch procs for each exch
   int **exchproc;               // procs to exchange with per exch
-  int **exchnum;                // # of atoms received per exch/proc
+  int **exchnum;                // # of values received per exch/proc
 
   double *buf_send;             // send buffer for all comm
   double *buf_recv;             // recv buffer for all comm