Correct typo in typing.py
diff --git a/Lib/typing.py b/Lib/typing.py
index d9d6fbcdb8f068..8bc38f98c86754 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -1194,7 +1194,7 @@ def add_two(x: float, y: float) -> float:
 
     Parameter specification variables can be introspected. e.g.:
 
-       P.__name__ == 'T'
+       P.__name__ == 'P'
        P.__bound__ == None
        P.__covariant__ == False
        P.__contravariant__ == False

In the docstring of `ParamSpec`, the name of `P = ParamSpec('P')` was mistakenly written as `'T'`.

<!--
Thanks for your contribution!
Please read this comment in its entirety. It's quite important.

# Pull Request title

It should be in the following format:

```
gh-NNNNN: Summary of the changes made
```

Where: gh-NNNNN refers to the GitHub issue number.

Most PRs will require an issue number. Trivial changes, like fixing a typo, do not need an issue.

# Backport Pull Request title

If this is a backport PR (PR made against branches other than `main`),
please ensure that the PR title is in the following format:

```
[X.Y] <title from the original PR> (GH-NNNN)
```

Where: [X.Y] is the branch name, e.g. [3.6].

GH-NNNN refers to the PR number from `main`.

-->
