Update README.md

README.md

@@ -2,27 +2,42 @@
 
 ## About
 
-It does precisely what the name indicates, i.e., encryption and decryption of files using the ChaCha20-Poly1305 authenticated streaming cipher algorithm. The program is still in its alpha (incomplete) stage.
+It does precisely what the name indicates, i.e., encryption and decryption of UTF-8 encoded files using the ChaCha20-Poly1305 authenticated streaming cipher algorithm. The program is still in its alpha (incomplete) stage, you might come across a lot of bugs.
 
 ## Build
 
 * Install [Cargo](https://github.com/rust-lang/cargo)
 
-* `cargo build --release` to build. You will find the program binary in the `./target/release` directory.
+* `cargo build --release` to build
+
+* The program binary will be in the `./target/release` directory
 
 ## Usage
 
-* `./rustcm-cli --help` prints the help message.
+```
+rustcm-cli 0.1.0-alpha
+Rust Simple Text Cipher Machine
 
-* `./rustcm-cli --version` prints the version information.
+USAGE:
+    rustcm-cli [COMMAND]
 
-* `./rustcm-cli --encrypt <input-path> <output-path>` reads the input file, encrypts the data, and writes to the output file.
+COMMAND:
+    -h, --help
+        Prints this help message
 
-* `./rustcm-cli --decrypt <input-path> <output-path>` reads the input file, decrypts the data, and writes to the output file.
+    -v, --version
+        Prints the version information
+
+    -e, --encrypt <input-path> <output-path>
+        Runs the program in encryption mode
+
+    -d, --decrypt <input-path> <output-path>
+        Runs the program in decryption mode
+```
 
 ## Disclaimer
 
-Do not use this for any high value information. I won't be held accountable for any damage caused to you by this program. Please use at your own discretion.
+Do not use this for any high value information. I shall not be held accountable for any damage caused to you by this program. Please use at your own discretion.
 
 ## License