diff --git a/README.md b/README.md
index 91b68a75..c39d34af 100644
--- a/README.md
+++ b/README.md
@@ -153,6 +153,17 @@ openspec init
 - If your coding assistant doesn't surface the new slash commands right away, restart it. Slash commands are loaded at startup,
   so a fresh launch ensures they appear
 
+### Optional: Populate Project Context
+
+After `openspec init` completes, you'll receive a suggested prompt to help populate your project context:
+
+```text
+Populate your project context:
+"Please read openspec/project.md and help me fill it out with details about my project, tech stack, and conventions"
+```
+
+Use `openspec/project.md` to define project-level conventions, standards, architectural patterns, and other guidelines that should be followed across all changes.
+
 ### Create Your First Change
 
 Here's a real example showing the complete OpenSpec workflow. This works with any AI tool. Those with native slash commands will recognize the shortcuts automatically.