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-rw-r--r--pysamples/sinewave.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/pysamples/sinewave.py b/pysamples/sinewave.py
index 4ddf3b4..54a0700 100644
--- a/pysamples/sinewave.py
+++ b/pysamples/sinewave.py
@@ -21,8 +21,12 @@
# This procedure is invoked when the user-definable block on the "extras"
# palette is selected.
+# Usage: Import this code into a Python (user-definable) block and
+# pass a frequency in Hertz to the Python block. A tone will play over
+# the speaker at the specified frequency.
-def myblock(lc, frequency):
+
+def myblock(tw, frequency):
###########################################################################
#