diff --git a/fuzzers/030-iob18/generate.py b/fuzzers/030-iob18/generate.py
index fc0af32c..a4ac6356 100644
--- a/fuzzers/030-iob18/generate.py
+++ b/fuzzers/030-iob18/generate.py
@@ -39,7 +39,7 @@ def drives_for_iostandard(iostandard):
     return drives
 
 STEPDOWN_IOSTANDARDS   = LVCMOS + SSTL
-IBUF_LOW_PWR_SUPPORTED = LVDS + DIFF_SSTL
+IBUF_LOW_PWR_SUPPORTED = LVDS + SSTL
 ONLY_DIFF_IOSTANDARDS  = LVDS
 
 
diff --git a/utils/bit2fasm.py b/utils/bit2fasm.py
index 103b377e..859ec109 100755
--- a/utils/bit2fasm.py
+++ b/utils/bit2fasm.py
@@ -91,7 +91,7 @@ def main():
         '--part', help="Name of part being targetted.", **part_kwargs)
     parser.add_argument(
         '--bitread',
-        help="Name of part being targetted.",
+        help="bitread tool to to use",
         default=default_bitread)
     parser.add_argument(
         '--frame_range', help="Frame range to use with bitread.")