updated README installation command (#833)

The command says pip install prometheus_client (underscore) but the steps above and PyPi says prometheus-client (dash) Signed-off-by: Alexa Griffith <agriffith96@gmail.com>
prometheus · Aug 19, 2022 · f17a836 · f17a836
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commit f17a836
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -47,7 +47,7 @@ other information about the process for free!
 ## Installation
 
 ```
-pip install prometheus_client
+pip install prometheus-client
 ```
 
 This package can be found on