diff --git a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/service/impl/AccessRuleService.java b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/service/impl/AccessRuleService.java
index 36e3cf6c..089aa5da 100644
--- a/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/service/impl/AccessRuleService.java
+++ b/pic-sure-auth-services/src/main/java/edu/harvard/hms/dbmi/avillach/auth/service/impl/AccessRuleService.java
@@ -1004,7 +1004,7 @@ protected AccessRule createPhenotypeSubRule(String conceptPath, String alias, St
 
         // Check if the conceptPath has `\\\\` present. This technically represents `\\`.
         if(conceptPath != null && conceptPath.contains("\\\\")) {
-            //replaceall regex needs to be double escaped (again)
+           // This will convert all `\\\\` to `\\`.
             conceptPath = conceptPath.replaceAll("\\\\\\\\", "\\\\");
         }