diff --git a/ARCs/arc-0056.md b/ARCs/arc-0056.md
index 9113b7623..9e3d96600 100644
--- a/ARCs/arc-0056.md
+++ b/ARCs/arc-0056.md
@@ -95,9 +95,9 @@ interface Contract {
   /** Information about the TEAL programs */
   sourceInfo?: {
     /** Approval program information */
-    approval: SourceInfo[];
+    approval: ProgramSourceInfo;
     /** Clear program information */
-    clear: SourceInfo[];
+    clear: ProgramSourceInfo;
   };
   /** The pre-compiled TEAL that may contain template variables. MUST be omitted if included as part of ARC23 */
   source?: {
@@ -178,8 +178,8 @@ interface Method {
        * - global: The data key signifies the global state key to read the value from
        * - local: The data key signifies the local state key to read the value from (for the sender)
        * - literal: the value is a literal and should be passed directly as the argument
-      */
-      source: 'box' | 'global' | 'local' | 'literal';
+       */
+      source: "box" | "global" | "local" | "literal";
     };
   }>;
   /** Information about the method's return value */
@@ -322,9 +322,19 @@ interface StorageMap {
 
 ### SourceInfo Interface
 
-This interface gives clients more information about the contract's source code.
+These interfaces give clients more information about the contract's source code.
 
 ```ts
+interface ProgramSourceInfo {
+  /** The source information for the program */
+  sourceInfo: SourceInfo[];
+  /** How the program counter offset is calculated
+   * - none: The pc values in sourceInfo are not offset
+   * - cblocks: The pc values in sourceInfo are offset by PC of the last cblock at the top of the program
+   */
+  pcOffsetMethod: "none" | "cblocks";
+}
+
 interface SourceInfo {
   /** The line of pre-compiled TEAL */
   teal?: number;