fixed typo in README

Author: Holger Brandl

README.md

@@ -470,7 +470,7 @@ Support
 
 Feel welcome to post ideas and suggestions to our [tracker](https://github.com/holgerbrandl/kscript/issues).
 
-More advanced use-cases are docucmented in the  [complementary user guide](docs/user_guide.md)
+More advanced use-cases are documented in the  [complementary user guide](docs/user_guide.md)
 
 How to contribute?
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