diff --git a/contributing/coding-guidelines.md b/contributing/coding-guidelines.md
index 1314284..2645970 100644
--- a/contributing/coding-guidelines.md
+++ b/contributing/coding-guidelines.md
@@ -34,10 +34,11 @@
 Things move around, so its best to examine your local installation for
 the latest arrangement.
 
-  <!--
-    Suggestions for how to name things (hyphens vs underscores).
-    Using optional arguments - variadics/varargs vs Options objects.
-  -->
+<!--
+TODO:
+- Suggestions for how to name things (hyphens vs. underscores).
+- Using optional arguments: variadic functions / varargs vs. Options structs.
+-->
 
 ## Go
 
@@ -70,11 +71,10 @@
     is useful when trying to reproduce failures that may not occur when the
     random number generator is seeded differently.
 
-  <!-- explain modules, expect, timekeeper? -->
-  <!--
-    Describe dependency management (apis vs. impls,
-    what can depend on what).
-  -->
+<!-- TODO: Explain modules, expect, timekeeper? -->
+
+<!-- TODO: Describe dependency management (apis vs. impls, what can depend on
+what). -->
 
 ## VDL
 
@@ -96,7 +96,7 @@
 
 Follow the [Node.js Style Guide]. Use our [.jshintrc].
 
- <!-- Documentation generation - jsdoc -->
+<!-- TODO: Documentation generation (jsdoc). -->
 
 ## Shell