update README for 1.5.3 release

README.md

@@ -19,7 +19,7 @@ As of 10.6.2022, the developemnt of the **statistics** package has move from [So
 
 ## 2. Install statistics
 
-To install the latest version (1.5.2) you need Octave (>=6.1.0) installed on your system. If you have Octave (>=7.2.0) you can install it by typing:
+To install the latest version (1.5.3) you need Octave (>=6.1.0) installed on your system. If you have Octave (>=7.2.0) you can install it by typing:
 
   `pkg install -forge statistics`
 
@@ -60,5 +60,5 @@ If you find a bug and fix it, just [clone](https://github.com/gnu-octave/statist
 
 Make sure you follow the coding style already used in the **statistics** package (similar to GNU Octave). For a summary of the coding style rules used in the package see [Contribute](https://github.com/gnu-octave/statistics/blob/main/CONTRIBUTE.md).
 
-Contributing is not only about fixing bugs. Improving the texinfo of the fucntions help files or adding BISTs and demos at the end of the function files is also important. There are currently 36 functions missing BISTs and it would be invaluable to add tests to these. Fixing a typo in the help file is still of value though. So don't hesitate to contribute! :+1:
+Contributing is not only about fixing bugs. Improving the texinfo of the fucntions help files or adding BISTs and demos at the end of the function files is also important. Out of a total of 311 functions, there are still 25 functions missing BISTs and it would be invaluable to add tests to these. Fixing a typo in the help file is still of value though. So don't hesitate to contribute! :+1: