Add a description for closure addresses in struct

1 files changed, 2 insertions, 2 deletions

diff --git a/ext/ffi_c/ClosurePool.h b/ext/ffi_c/ClosurePool.h
index 36619f4..99e3a47 100644
--- a/ext/ffi_c/ClosurePool.h
+++ b/ext/ffi_c/ClosurePool.h
@@ -35,8 +35,8 @@ typedef struct Closure_ Closure;
 struct Closure_ {
     void* info;      /* opaque handle for storing closure-instance specific data */
     void* function;  /* closure-instance specific function, called by custom trampoline */
-    void* code;      /* The native trampoline code location */
-    void* pcl;
+    void* code;      /* Executable address for the native trampoline code location */
+    void* pcl;       /* Writeable address for the native trampoline code location */
 
     struct ClosurePool_* pool;
     Closure* next;