diff --git a/src/ops/core.ops b/src/ops/core.ops
index 6455454334..27f8d13d08 100644
--- a/src/ops/core.ops
+++ b/src/ops/core.ops
@@ -79,10 +79,16 @@ Note: Do B<not> use this opcode. It is for internal use only.
 =item B<load_bytecode>(in STR)
 
 Load Parrot bytecode from file $1, and search the library path to locate the
-file.
+file. Automatically triggers :load functions if the file found is a .pbc. If
+it is a .pir or a .pasm, the file is compiled first and the :init subs are
+triggered instead. Nothing is returned.
 
-=item B<load_bytecode<(out PMC, in STR)
+=item B<load_bytecode>(out PMC, in STR)
 
+Load Parrot bytecode from file $2, searching the library path to locate the
+file. Returns a new PackfileView in $1. Does not perform any automatic
+initialization. Use the PackfileView PMC interface to introspect and perform
+actions on it.
 
 =cut