Fix up references to r.bqn

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 18cd8b0c..15fd47c1 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ Rather strange, most likely:
 
         ⊑+`∘⌽⍟12↕2  # The 12th Fibonacci number
 
-More snippets are programmed into the live demo at the top of the page: hit the arrow at the right of the code window to see them. For longer samples, you can [gaze into the abyss](src/c.bqn) that is the self-hosted compiler, or the [shallower but wider abyss](src/r.bqn) of the runtime, or take a look at the friendlier [markdown processor](md.bqn) used to format and highlight documentation files. This repository also has [some translations](examples/fifty.bqn) from ["A History of APL in 50 Functions"](https://www.jsoftware.com/papers/50/).
+More snippets are programmed into the live demo at the top of the page: hit the arrow at the right of the code window to see them. For longer samples, you can [gaze into the abyss](src/c.bqn) that is the self-hosted compiler, or the [shallower but wider abyss](src/r1.bqn) of the runtime, or take a look at the friendlier [markdown processor](md.bqn) used to format and highlight documentation files. This repository also has [some translations](examples/fifty.bqn) from ["A History of APL in 50 Functions"](https://www.jsoftware.com/papers/50/).
 
 ## How do I work with the character set?