diff --git a/ESCParser/README.md b/ESCParser/README.md
index 48c3931..cecd6e9 100644
--- a/ESCParser/README.md
+++ b/ESCParser/README.md
@@ -1,10 +1,10 @@
-ESCParser -- command-line utility, ESC/P printer emulator.
+ESCParser — command-line utility, ESC/P printer emulator.
 The current implementation is very close to **Robotron CM 6329.01M** printer. Also the utility uses the font from the printer ROM to "print" symbols.
 
 ESCParser can produce several output formats:
-  * PostScript -- with multi-page support. Use GSView + Ghostscript to view the output and convert it to other formats.
-  * SVG -- no multi-page support. You can view the result in any modern web browser.
-  * PDF -- with multi-page support. Use Adobe Acrobat Reader or any modern browser to view the result.
+  * PostScript — with multi-page support. Use GSView + Ghostscript to view the output and convert it to other formats.
+  * SVG — no multi-page support. You can view the result in any modern web browser.
+  * PDF — with multi-page support, zlib is used to compress the blobs. Use Adobe Acrobat Reader or any modern browser to view the result.
 
 Usage examples:
 ```
@@ -16,7 +16,8 @@ Test sample with ESCParser produces the following result (converted to PNG):
 
 ![](https://github.com/nzeemin/ukncbtl-utils/blob/master/ESCParser/ESCParser.png)
 
-##### See Also
+#### See Also
 
-* [shokre/node-escprinter](https://github.com/shokre/node-escprinter) -- "ESC/P2 printer command emulator with SVG output.", ESCParser NodeJS conversion by shokre.
+* [https://github.com/nzeemin/robotron-dotmatrix-font] — Robotron dot matrix printer font as a web font
+* [shokre/node-escprinter](https://github.com/shokre/node-escprinter) — "ESC/P2 printer command emulator with SVG output.", ESCParser NodeJS conversion by shokre.
 * [epsonps](https://github.com/christopherkobayashi/TI99Utilities/tree/master/printer_listener/epsonps)
diff --git a/Sav2Cartridge/README.md b/Sav2Cartridge/README.md
index a29fe88..a6ae973 100644
--- a/Sav2Cartridge/README.md
+++ b/Sav2Cartridge/README.md
@@ -5,12 +5,17 @@ Command line utility used to convert executable RT-11 SAV file into UKNC ROM car
 UKNC catridge is 24 KB = 24576 bytes, so that's "natural" limit for a file to put into the cartridge.
 
 If the SAV file is too large for the cartridge, the utility attempts to use RLE compression.
-
-If RLE compression fail to fit the image, the utility attempts to use LZSS compression.
+If RLE compression fail to fit the image, the utility attempts to use LZSS and LZ4 compression.
 
 Usage:
 ```
-Sav2Cart <inputfile.SAV> <outputfile.BIN>
+Sav2Cart [options] <inputfile.SAV> <outputfile.BIN>
+Options:
+    -none - try to fit non-compressed
+    -rle  - try RLE compression
+    -lzss - try LZSS compression
+    -lz4  - try LZ4 compression
+    (no compression options) - try all on-by-one until fit
 ```
 
 Example:
diff --git a/rt11dsk/README.md b/rt11dsk/README.md
index a809636..007c170 100644
--- a/rt11dsk/README.md
+++ b/rt11dsk/README.md
@@ -26,3 +26,4 @@ Parameters:
 
 Options:
  * `-oXXXXX` -- Set start offset to XXXXX; 0 by default
+ * `-ms0515` -- Sector interleaving used for MS0515 disks