diff --git a/Lib/cgi.py b/Lib/cgi.py
index 9e16a1d..7da2b23 100755
--- a/Lib/cgi.py
+++ b/Lib/cgi.py
@@ -114,7 +114,7 @@
         environ         : environment dictionary; default: os.environ
 
         keep_blank_values: flag indicating whether blank values in
-            URL encoded forms should be treated as blank strings.
+            percent-encoded forms should be treated as blank strings.
             A true value indicates that blanks should be retained as
             blank strings.  The default false value indicates that
             blank values are to be ignored and treated as if they were
@@ -394,7 +394,7 @@
         environ         : environment dictionary; default: os.environ
 
         keep_blank_values: flag indicating whether blank values in
-            URL encoded forms should be treated as blank strings.
+            percent-encoded forms should be treated as blank strings.
             A true value indicates that blanks should be retained as
             blank strings.  The default false value indicates that
             blank values are to be ignored and treated as if they were