diff --git a/docs/extensibility/rules/index.md b/docs/extensibility/rules/index.md
index 8fb5d6a3d..a49e9974f 100644
--- a/docs/extensibility/rules/index.md
+++ b/docs/extensibility/rules/index.md
@@ -131,7 +131,7 @@ For more details on the sp-config API see [sp-config](/docs/api/beta/export-sp-c
 
 - **Performance**
   - Rules should be as performant as possible to achieve the task at hand.
-  - Rules must not invoke wait / sleep functions to add delay within the rule
+  - Rules must not invoke wait or sleep functions to add a delay within the rule.
   - Be careful with iterative rules execution. Heavily iterative rules will have greater performance scrutiny.
   - Do not iterate over lists of objects like accounts or identities. Doing so causes cache bloat. Use a projection query wherever possible to find the data you need, and then return the values you want. If you are unsure, ask [SailPoint Expert Services](https://www.sailpoint.com/services/professional/#contact-form).
 
@@ -195,6 +195,7 @@ System.out.
 System.err.
 Runnable
 Thread
+Thread.sleep()
 public static
 .printStackTrace
 XMLObjectFactory