diff --git a/README.md b/README.md
index 2fcbbea..0d426cd 100644
--- a/README.md
+++ b/README.md
@@ -25,18 +25,18 @@ and include some outdated API, especially in Tutorial 5.
 
 The tutorials are embedded in Documenter.jl documentation, and live at
 [/docs/src/notebooks/](/docs/src/notebooks/). **The ground truth for content is the julia
-scripts,** which must follow the
+scripts with the name "notebook.jl"** which must follow the
 [Literate.jl](https://duckduckgo.com/?q=Literate.jl&t=osx&ia=web) rules for embedding the
-narrative as code comments. 
+narrative as code comments.
 
 Package management is through a workspace tree with /Project.toml as the root
-project. Each notebook gets its own Project.toml file in the workspace tree. The julia
-version is specified in the root Project.toml. There are no committed manifests, only
-project files with [compat] lower bounds.
+project. Each tutorial gets its own Project.toml file in the workspace
+tree. The julia version is specified in the root Project.toml. There are no committed
+manifests, only project files with [compat] lower bounds.
 
 An optional runtest.jl file can be added to any tutorial folder for CI testing of
 consistency of the tutorial with the narrative. This should begin with the line
-`include("tutorial.jl")` and end with `true`.
+`include("notebook.jl")` and end with `true`.
 
 After making changes to a julia script or any Project.toml file, post a pull request and
 CI will automatically generate new markdown (using Literate.jl), inviting you to review a