diff --git a/grpdecompiler.c b/grpdecompiler.c
index 8b8fd6d..b72a8b8 100644
--- a/grpdecompiler.c
+++ b/grpdecompiler.c
@@ -24,13 +24,13 @@ int main(int argc, char *argv[])
  show_intro();
  if (argc<3)
  {
-  show_message("You must give a target file name and output path as command line arguments!");
+  show_message("You must give a target file name and an output path as the command-line arguments!");
  }
  else
  {
   show_message("Extracting a files... Please wait");
   work(argv[1],argv[2]);
-  show_message("Work finish");
+  show_message("The work has been finished");
  }
  return 0;
 }
@@ -39,8 +39,8 @@ void show_intro()
 {
  putchar('\n');
  puts("GRP DECOMPILER");
- puts("Version 2.1.4");
- puts("This program distributed under GNU GENERAL PUBLIC LICENSE");
+ puts("Version 2.1.5");
+ puts("This program is distributed under GNU GENERAL PUBLIC LICENSE");
  puts("File extraction tools for GRP pseudo-archives by Popov Evgeniy Alekseyevich, 2010-2024 years");
 }
 
@@ -56,7 +56,7 @@ void show_progress(const unsigned long int start,const unsigned long int stop)
  progress=(start+1)*100;
  progress/=stop;
  putchar('\r');
- printf("Amount of extracted files: %ld from %ld.Progress:%ld%%",start+1,stop,progress);
+ printf("Amount of the extracted files: %ld from %ld.Progress:%ld%%",start+1,stop,progress);
 }
 
 FILE *open_input_file(const char *name)
@@ -65,7 +65,7 @@ FILE *open_input_file(const char *name)
  target=fopen(name,"rb");
  if (target==NULL)
  {
-  puts("Can't open input file");
+  puts("Can't open the input file");
   exit(1);
  }
  return target;
@@ -77,7 +77,7 @@ FILE *create_output_file(const char *name)
  target=fopen(name,"wb");
  if (target==NULL)
  {
-  show_message("Can't create ouput file");
+  show_message("Can't create the ouput file");
   exit(2);
  }
  return target;
diff --git a/readme.txt b/readme.txt
index be844a0..6e22413 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,25 +1,25 @@
                        GRP DECOMPILER 
                           
-                       Version 2.1.4
+                       Version 2.1.5
 
             File extraction tools for GRP pseudo-archives by Popov Evgeniy Alekseyevich
 
-System requirement
+System requirements
 
 68 kilobytes of free space on storage media. 
 
 Description and usage
 
 This program lets you extract files from GRP pseudo-archives.
-It is used in games that are built on BUILD game engine.
-This program takes a target file name and output path as command-line arguments.
+It is used in games that are built on the BUILD game engine.
+This program takes a target file name and an output path as the command-line arguments.
 Always add a directory separator (\ or /) at the end of the output path.
 
 Exit codes
 
-0 - Operation successfully completed.
-1 - Can't open input file.
-2 - Can't create output file.
+0 - Operation was successfully completed.
+1 - Can't open the input file.
+2 - Can't create the output file.
 3 - Can't allocate memory.
 4 - Invalid format.
 
@@ -36,7 +36,7 @@ Source code
 The code was compiled under Open Watcom.
 But you can compile it under any modern C compiler.
 Source code can be compiled for a wide range of operating systems, but you need to create a makefile or build script by yourself.
-I provide only two things: the binary file for Windows and makefile for Linux.
+I provide only two things: the binary file for Windows and the makefile for Linux.
 
 Install and uninstall under Linux
 
@@ -57,14 +57,14 @@ Version history
 0.1 – 0.9 – Internal unstable builds.
 1.0 – 1.0.4 – Stable branch.
 1.0.5 – 1.3 – Small changes in source code.
-1.4 – Source code improved. Linux support added.
+1.4 – Source code improved. Linux support has been added.
 1.5 – Small changes in source code.
-1.6 – Small bugs with output filenames fixed.
+1.6 – Small bugs with the output filenames fixed.
 1.7 – 1.8 – Small changes in source code.
 1.9 – Filename checking improved.
 1.9.0.1 – Documentation updated.
 1.9.1 – 1.9.6 – Small changes.
-1.9.8 – 2.0.1 – Small bug with output file names fixed.
+1.9.8 – 2.0.1 – Small bug with the output file names fixed.
 2.0.2 – 2.0.4 – Small changes.
 2.0.4.1 – Makefile updated.
 2.0.5 – 2.0.6 – Small changes.
@@ -72,4 +72,5 @@ Version history
 2.0.7.1 – 2.0.7.2 – Makefile updated.
 2.0.8 – 2.1.3 – Small changes.
 2.1.4 – Visual C++ support improved.
-2.1.4.1 – Documentation updated.
\ No newline at end of file
+2.1.4.1 – Documentation updated.
+2.1.5 – Small changes.
\ No newline at end of file