diff --git a/cpp/BitBuffer.hpp b/cpp/BitBuffer.hpp
index 47daebb..89f032e 100644
--- a/cpp/BitBuffer.hpp
+++ b/cpp/BitBuffer.hpp
@@ -31,7 +31,7 @@
 
 namespace qrcodegen {
 
-/**
+/* 
  * An appendable sequence of bits. Bits are packed in big endian within a byte.
  */
 class BitBuffer final {
diff --git a/cpp/QrCode.cpp b/cpp/QrCode.cpp
index 96ab0a4..c0de087 100644
--- a/cpp/QrCode.cpp
+++ b/cpp/QrCode.cpp
@@ -545,7 +545,6 @@ int qrcodegen::QrCode::getNumDataCodewords(int ver, const Ecc &ecl) {
 
 /*---- Tables of constants ----*/
 
-// For use in getPenaltyScore(), when evaluating which mask is best.
 const int qrcodegen::QrCode::PENALTY_N1 = 3;
 const int qrcodegen::QrCode::PENALTY_N2 = 3;
 const int qrcodegen::QrCode::PENALTY_N3 = 40;
diff --git a/python/qrcodegen-demo.py b/python/qrcodegen-demo.py
index 7978c94..81be66d 100644
--- a/python/qrcodegen-demo.py
+++ b/python/qrcodegen-demo.py
@@ -110,7 +110,7 @@ def do_segment_demo():
 
 # ---- Utilities ----
 
-def print_qr(qrcode):	
+def print_qr(qrcode):
 	"""Prints the given QrCode object to the console."""
 	border = 4
 	for y in range(-border, qrcode.get_size() + border):
diff --git a/python/qrcodegen.py b/python/qrcodegen.py
index eeda106..8de6d8e 100644
--- a/python/qrcodegen.py
+++ b/python/qrcodegen.py
@@ -66,7 +66,7 @@ def encode_text(text, ecl):
 	code points (not UTF-16 code units). The smallest possible QR Code version is automatically chosen for the output."""
 	seg = encode_text_to_segment(text)
 	return encode_segments([seg], ecl)
-	
+
 
 def encode_text_to_segment(text):
 	"""Returns a QR segment representing the given Unicode text string."""