Inadvertently removed part of the comment in r81271.
diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index 33790da..b39fc25 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -341,7 +341,7 @@
         encoding = 'utf-8'
     if errors is None:
         errors = 'replace'
-    # pct_sequence: contiguous sequence of percent-encoded bytes
+    # pct_sequence: contiguous sequence of percent-encoded bytes, decoded
     pct_sequence = b''
     string = res[0]
     for item in res[1:]: