diff --git a/loopy/transform/instruction.py b/loopy/transform/instruction.py
index 8b2fa370ad4214cbe16caec61ff45b684ed0a889..e73e5c33c8703a4cdbb5fc20feca9caabeb077c1 100644
--- a/loopy/transform/instruction.py
+++ b/loopy/transform/instruction.py
@@ -27,7 +27,7 @@ import six  # noqa
 from loopy.diagnostic import LoopyError
 
 
-# {{{ instruction processing
+# {{{ find_instructions
 
 def find_instructions(kernel, insn_match):
     from loopy.match import parse_match
@@ -35,6 +35,11 @@ def find_instructions(kernel, insn_match):
     return [insn for insn in kernel.instructions if match(kernel, insn)]
 
 
+# }}}
+
+
+# {{{ map_instructions
+
 def map_instructions(kernel, insn_match, f):
     from loopy.match import parse_match
     match = parse_match(insn_match)
@@ -49,6 +54,10 @@ def map_instructions(kernel, insn_match, f):
 
     return kernel.copy(instructions=new_insns)
 
+# }}}
+
+
+# {{{ set_instruction_priority
 
 def set_instruction_priority(kernel, insn_match, priority):
     """Set the priority of instructions matching *insn_match* to *priority*.
@@ -62,6 +71,10 @@ def set_instruction_priority(kernel, insn_match, priority):
 
     return map_instructions(kernel, insn_match, set_prio)
 
+# }}}
+
+
+# {{{ add_dependency
 
 def add_dependency(kernel, insn_match, dependency):
     """Add the instruction dependency *dependency* to the instructions matched
@@ -87,6 +100,10 @@ def add_dependency(kernel, insn_match, dependency):
 
     return map_instructions(kernel, insn_match, add_dep)
 
+# }}}
+
+
+# {{{ remove_instructions
 
 def remove_instructions(kernel, insn_ids):
     """Return a new kernel with instructions in *insn_ids* removed.
@@ -124,6 +141,10 @@ def remove_instructions(kernel, insn_ids):
     return kernel.copy(
             instructions=new_insns)
 
+# }}}
+
+
+# {{{ replace_instruction_ids
 
 def replace_instruction_ids(kernel, replacements):
     new_insns = []