diff --git a/hello-world/cplusplus/README.txt b/hello-world/cplusplus/README.md
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diff --git a/hello-world/go/README.txt b/hello-world/go/README.md
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diff --git a/hello-world/java/README.txt b/hello-world/java/README.md
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diff --git a/hello-world/javascript/README.txt b/hello-world/javascript/README.md
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diff --git a/hello-world/python/README.txt b/hello-world/python/README.md
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diff --git a/hello-world/typescript/README.txt b/hello-world/typescript/README.md
similarity index 100%
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