diff --git a/Makefile b/Makefile
index 230cf4b..61f8193 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,8 @@ SRCSG4=src/g4code.c src/faxg4coder.c
 SRCSLZW=src/lzwcode.c src/faxlzwcoder.c
 
 CFLAGS=-O3 -funroll-all-loops -finline-functions -Wall
+LDFLAGS=-s
+RM=rm -f
 
 OBJSPBM=$(SRCSPBM:.c=.o)
 OBJSG4=$(SRCSG4:.c=.o)
@@ -15,10 +17,10 @@ OBJSLZW=$(SRCSLZW:.c=.o)
 all: $(PROGS)
 
 clean:
-	rm -f $(PROGS) $(OBJSPBM) $(OBJSG4) $(OBJSLZW)
+	$(RM) $(PROGS) $(OBJSPBM) $(OBJSG4) $(OBJSLZW)
 
 $(PROGG4): $(OBJSPBM) $(OBJSG4)
-	$(CC) $(CFLAGS) -o $@ $^
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
 
 $(PROGLZW): $(OBJSPBM) $(OBJSLZW)
-	$(CC) $(CFLAGS) -o $@ $^
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
diff --git a/man/man1/faxg4coder.1 b/man/man1/faxg4coder.1
index f42384a..ab8bf84 100644
--- a/man/man1/faxg4coder.1
+++ b/man/man1/faxg4coder.1
@@ -1,4 +1,4 @@
-.TH "faxg4coder" 1 0.2 "20 Oct 2023" "User Manual"
+.TH "faxg4coder" 1 0.2.1 "21 Oct 2023" "User Manual"
 
 .SH NAME
 faxg4coder
@@ -26,12 +26,12 @@ Put/Read MMR header to file
 -decode{W}
 Decode to pbm-file, using image width {W}, e.g. -decode1728 (default, if not given), else : encode from pbm-file
 .TP
--p
-Write plain pbm
-.TP
 -b
 Read/Write bitstrings
 .TP
+-p
+Write plain pbm
+.TP
 -h
 Show help
 
@@ -52,6 +52,7 @@ GNU LESSER GENERAL PUBLIC LICENSE Version 3, 29 June 2007
 
 .SH SEE ALSO
  faxlzwcoder(1)
+ netpbm(1)
 
 .SH CONTACTS
 Website:
diff --git a/man/man1/faxlzwcoder.1 b/man/man1/faxlzwcoder.1
index f6b3188..cc7c484 100644
--- a/man/man1/faxlzwcoder.1
+++ b/man/man1/faxlzwcoder.1
@@ -1,10 +1,10 @@
-.TH "faxlzwcoder" 1 0.2 "20 Oct 2023" "User Manual"
+.TH "faxlzwcoder" 1 0.2.1 "21 Oct 2023" "User Manual"
 
 .SH NAME
 faxlzwcoder
 
 .SH DESCRIPTION
-LZW BW En-/Decoder.
+LZW Fax En-/Decoder.
 
 .SH SYNOPSIS
 faxlzwcoder [options] [infile] [outfile]
@@ -35,6 +35,7 @@ GNU LESSER GENERAL PUBLIC LICENSE Version 3, 29 June 2007
 
 .SH SEE ALSO
  faxg4coder(1)
+ netpbm(1)
 
 .SH CONTACTS
 Website:
diff --git a/src/faxg4coder.c b/src/faxg4coder.c
index ebeff5c..8032aba 100644
--- a/src/faxg4coder.c
+++ b/src/faxg4coder.c
@@ -28,21 +28,26 @@ void usage(const char *name)
     printf("G3 and G4 En-/Decoder\n"
            "(c) 2006,2007 by Tobias Hoffmann\n\n"
 
-           "Usage: %s [-g3|-g3K|-g4] [-decodeW] [-hdr] [-h -p -b] [infile] [outfile]\n\n"
-
-           "     -g3: G3 1-dimensional code (default)\n"
-           "    -g3K: G3 2-dimensional code, parameter K, e.g. -g32 for K=2\n"
-           "     -g4: G4 (2-dim) code\n\n"
-
-           "    -hdr: Put/Read MMR header to file\n\n"
-
-           "-decodeW: Decode to pbm-file, using image width W,\n"
-           "          e.g. -decode1728 (default, if not given)\n"
-           "  else  : Encode from pbm-file\n\n"
-
-           "      -h: Show this help\n"
-           "      -p: Write plain pbm\n"
-           "      -b: Read/Write bitstrings\n\n"
+           "Usage: %s [options] [infile] [outfile]\n\n"
+
+           "options:\n"
+           " algorithm:\n"
+           "       -g3: G3 1-dimensional code (default)\n"
+           "    -g3{K}: G3 2-dimensional code, parameter {K}, e.g. -g32 for K=2\n"
+           "       -g4: G4 (2-dim) code\n\n"
+
+           " mmr:\n"
+           "      -hdr: Put/Read MMR header to file\n\n"
+
+           " direct:\n"
+           "-decode{W}: Decode to pbm-file, using image width {W},\n"
+           "            e.g. -decode1728 (default, if not given)\n"
+           "     else : Encode from pbm-file\n\n"
+
+           " other:\n"
+           "        -b: Read/Write bitstrings\n"
+           "        -p: Write plain pbm\n"
+           "        -h: Show this help\n\n"
 
            "Only K=2 (low resolution) and K=4 (high resolution) are standardized.\n"
            "If outfile or both infile and outfile are not given\n"
diff --git a/src/faxlzwcoder.c b/src/faxlzwcoder.c
index 2ed6d06..0a05864 100644
--- a/src/faxlzwcoder.c
+++ b/src/faxlzwcoder.c
@@ -19,17 +19,16 @@ void usage(const char *name)
     printf("LZW En-/Decoder\n"
            "(c) 2007 by Tobias Hoffmann\n\n"
 
-           "Usage: %s [-d] [-pbmW] [-h] [-earlyE] [infile] [outfile]\n\n"
+           "Usage: %s [options] [infile] [outfile]\n\n"
 
-           "      -d: Decode\n"
-           "   else : Encode\n\n"
+           "options:\n"
+           "       -d: Decode, else Encode\n\n"
 
-           " -earlyE: Enlarge the code length E entries early (default: 1)\n\n"
+           "-early{E}: Enlarge the code length {E} entries early (default: 1)\n\n"
 
-           "   -pbmW: Read/Write pbm-file; using image width W (for decoding)\n\n"
+           "  -pbm{W}: Read/Write pbm-file; using image width {W} (for decoding)\n\n"
 
-           "      -h: Show this help\n\n"
-//         "      -x: Read/Write hexstrings\n\n"
+           "       -h: Show this help\n\n"
 
            "If outfile or both infile and outfile are not given\n"
            "standard output and maybe standard input are used.\n\n"