Fix typo

Author: isc-etamarch

README.md

@@ -36,7 +36,7 @@
 
 ### Source Control
 
-For this with less experience using source control, we recommend this [page](/docs/scintro.md) for a quick introduction to source control / change control basics.
+For those with less experience using source control, we recommend this [page](/docs/scintro.md) for a quick introduction to source control / change control basics.
 
 ### Health Connect Cloud (HCC)
 git-source control is the recommended source control for HCC. [This page](/docs/hcc.md) covers HCC specific usage of git-source-control, including the recommended development workflow, initial setup, and CICD pipelining.