Update README.md

PELock · PELock · commit 4b3cafc5af05 · 2021-01-29T14:49:24.000+01:00
diff --git a/README.md b/README.md
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 # StringEncrypt — String & File Encryption for Python Developers
 
 StringEncrypt allows you to **encrypt strings and files** using
-randomly generated algorithm, generating a unique decryption code
+a randomly generated algorithm, generating a unique decryption code
 (so-called *polymorphic code*) each time in the selected programming
 language.
 
