diff --git a/C#-and-.NET-docs-supplement.md b/C#-and-.NET-docs-supplement.md
index 4b385c8..0beff3c 100644
--- a/C#-and-.NET-docs-supplement.md
+++ b/C#-and-.NET-docs-supplement.md
@@ -31,12 +31,14 @@ You can only have 1 `default` branch, but `case _ when ...:` doesn't work. Howev
 
 ## MSBuild `Condition` placement
 
-On (older versions of?) VS, `Condition` is ignored if placed on a property/item. Create a new `<PropertyGroup/>`.
+On (older versions of?) VS, `Condition` is ignored if placed on a property/item. Create a new `<PropertyGroup/>`/`<ItemGroup/>`.
 
-## MSBuild property evaluation execution order
+## MSBuild path properties
 
-When `<Import/>`ing a `.props` file, `ProjectDir` is unset <!-- TODO only during property evaluation? --> (but `SolutionDir` *is* set, if applicable).
-Use `MSBuildProjectDirectory`. Note that the latter doesn't include a trailing slash.
+Always use `$(MSBuildProjectDirectory)` rather than `$(ProjectDir)` (note that the former doesn't include a trailing slash), because when `<Import/>`ing a `.props` file, `$(ProjectDir)` is unset. <!-- TODO only during property evaluation? -->
+(`$(SolutionDir)` *is* set, but that should be avoided even in the main solution.)
+
+Use `$(TargetPath)` rather than reconstructing e.g. `$(OutputPath)$(MSBuildProjectName).dll`.
 
 ## `Newtonsoft.Json` footguns