doc: fix typo in file name

Broken link in design.md since the file name is misspelled.

Signed-off-by: Ruth Fuchss <ruth.fuchss@nordicsemi.no>
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Ruth Fuchss 2019-01-14 09:14:07 +01:00 committed by Fabio Utzig
parent c7514ad7a0
commit db1a5f3b6a
1 changed files with 0 additions and 0 deletions