Changed `chose` to `chosen`
I noticed the grammar was just a little bit off, so I fixed it.
@@ -21,7 +21,7 @@ Remarkable contributions are also made by
StaSh stands for Pythoni**sta** **Sh**ell. While **Sta** may not be the best
abbreviation for Pythonista, it forms a concise and meaningful word with the
-following **Sh** part. So the name StaSh was chose to indicate it is a confined
+following **Sh** part. So the name StaSh was chosen to indicate it is a confined
environment and great treasures may be found within.
