duo-ssh-faq.md
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@@ -23,7 +23,7 @@ This can be set on the remote side (for example, in `~/.bashrc` or `~/.cshrc` on
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export DUO_PASSCODE=push
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```
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-```csh
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+```tcsh
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# cshrc example
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setenv DUO_PASSCODE push
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```