clarify docstring

diff --git a/src/nmutil/grev.py b/src/nmutil/grev.py
index 782ac90f80fcaf203bddccb7f07a02d9ed2550c3..37435a1a1f2088528bb9a309332f3ab0a7b6087b 100644 (file)
--- a/src/nmutil/grev.py
+++ b/src/nmutil/grev.py
@@ -75,7 +75,7 @@ class GRev(Elaboratable):
         self.chunk_sizes = Signal(log2_width)
         self.output = Signal(self.width)
         self._steps = [self.input]
-        """ internal signals for unit testing """
+        """ internal signals, exposed for unit testing """
         for i in range(1, log2_width):
             self._steps.append(Signal(self.width, name=f"step{i}"))
         self._steps.append(self.output)