Fix syntax errors

Author: ghostwriternr

src/content/docs/sandbox/concepts/architecture.mdx

@@ -378,7 +378,7 @@ Every architecture involves trade-offs. Here's what we chose and why:
 ### vs. Traditional VMs
 
 **Sandbox SDK**:
-- ✅ Instant provisioning (<1s)
+- ✅ Instant provisioning (\<1s)
 - ✅ Global distribution
 - ✅ Pay-per-use pricing
 - ❌ Linux-only (no Windows)

src/content/docs/sandbox/concepts/sessions.mdx

@@ -400,7 +400,7 @@ Use separate sandboxes when:
 
 Sessions are lightweight:
 
-- **Creation time**: <1ms (just metadata)
+- **Creation time**: \<1ms (just metadata)
 - **Memory overhead**: Minimal (environment variables only)
 - **No container startup**: Uses existing sandbox