Fix typos.
diff --git a/README.python.md b/README.python.md
index 4c0ba9b..7cf091a 100644
--- a/README.python.md
+++ b/README.python.md
@@ -23,7 +23,7 @@
 $prefix/lib/girepository-* directory.
 
 Make sure you have pygobject installed.  Then check that the following
-import works in your Python interpretter:
+import works in your Python interpreter:
 
 ```python
 from gi.repository import HarfBuzz