diff --git a/README.md b/README.md
index feba21ea..4ce8a8ac 100644
--- a/README.md
+++ b/README.md
@@ -188,15 +188,15 @@ I kept the same name for this project and provided many links to the original fr
 
 ---
 
-### Opensource 🌎
+### Open Source 🌎
 
-This project is **100% opensource**, here is what that means...
+This project is **100% open source**, here is what that means...
 
-This project is _slightly_ different from other opensource projects in the sense that it is not just opensource code but also infrastructure and configuration.
+This project is _slightly_ different from other open source projects in the sense that it is not just open source code but also infrastructure and configuration.
 
 Errbot is a public bot made for and by the community. It is not a commercial product and is not a paid service and as such, all of the code and project files are open source.
 
-Here are all the components of this project that are opensource and can be edited by the public (hint: its basically everything):
+Here are all the components of this project that are open source and can be edited by the public (hint: its basically everything):
 
 - Source code
 - CI/CD pipeline
diff --git a/demo/slides.md b/demo/slides.md
index 04c5649c..8635c1d6 100644
--- a/demo/slides.md
+++ b/demo/slides.md
@@ -188,7 +188,7 @@ The release stage of DevOps is where the application is release to users.
 
 Examples include:
 
-- 📦 Publishing a binary to an opensource repository
+- 📦 Publishing a binary to an open source repository
 - 🏷️ Publishing a release label and Git tag for an application
 - 🔢 Releasing a new version with an installer for a desktop application