diff --git a/readme.en.md b/readme.en.md
index ac49ba4..92722b8 100644
--- a/readme.en.md
+++ b/readme.en.md
@@ -11,8 +11,8 @@
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 ### Project documentation:
-* questions about the [architecture](architecture.md): identification and naming of the main parts of this program and the data structures.
-* questions about the [theory](theory.md): properties of rewritten geometric directed multigraphs. (JS. Dec 2017)
+* questions about the [architecture](architecture.en.md): identification and naming of the main parts of this program and the data structures.
+* questions about the [theory](theory.en.md): properties of rewritten geometric directed multigraphs. (JS. Dec 2017)
 
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