Update README.md

Author: sidpalas

01-history-and-motivation/README.md

@@ -1,6 +1,6 @@
 # 01. History and Motivation
 
-Continuous Integration (CI) has dramatically transformed the way we build, test, and deliver software. What once took weeks or months is now handled in minutes — all thanks to decades of innovation in tooling and process.
+Continuous Integration (CI) has dramatically transformed the way we build, test, and deliver software. What once took weeks or months is now handled in minutes, thanks to decades of innovation in tooling and process.
 
 ## Speed of Software Delivery over Time
 
@@ -31,4 +31,4 @@ The time between writing and shipping software has shrunk drastically over the d
 | 2016 | **AWS CodeBuild** | Managed CI inside AWS ecosystem. |
 | 2018 | **GitHub Actions**| GitHub-native automation with deep ecosystem and community support. |
 
-![](./readme-assets/ci-timeline.png)
+![](./readme-assets/ci-timeline.png)