diff --git a/README.md b/README.md
index 7dfdc968..a19f9a8e 100644
--- a/README.md
+++ b/README.md
@@ -1124,7 +1124,7 @@ In most cases, you won't need to build the SDK from source. If you want to build
 
 - Clone the repo
 - Run `python setup.py build` from the root of the project (assuming Python is installed)
-- Ensure tests run succesfully. Install `tox` if not installed already using: `pip install tox`. Run tests using `tox` in the root directory of the project.
+- Ensure tests run successfully. Install `tox` if not installed already using: `pip install tox`. Run tests using `tox` in the root directory of the project.
 
 ## Contributing