diff --git a/README.md b/README.md
index 08b7f3de..f63ae7ac 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Requests III: HTTP for Humans and Machines, alike.
 
 Behold, the power of Requests III:
 
-``` {.sourceCode .python}
+``` {.sourceCode .pycon}
 >>> from requests import HTTPSession
 
 # Make a connection pool.