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-rw-r--r--README3
1 files changed, 2 insertions, 1 deletions
diff --git a/README b/README
index 4fe0f97..3b8e3b9 100644
--- a/README
+++ b/README
@@ -94,7 +94,8 @@ OPTIONS
-s FD
Read input from file descriptor FD rather
- than from the microphone.
+ than from the microphone. This is intended
+ for development purposes only.
Only available for fodtmf-recv.
Each option can only be used once.