diff --git a/impl_poly1305.c b/impl_poly1305.c
index c6c445e..8eb027c 100644
--- a/impl_poly1305.c
+++ b/impl_poly1305.c
@@ -123,7 +123,7 @@
  * h0 = 0x2000002
  * t4 = 0x77fffffa57ffff
  *
- * which becomes 
+ * which becomes
  *
  * h4 = 0x257ffff
  * h3 = 0x3a95fff
diff --git a/util.c b/util.c
index 60a0739..4f7eff2 100644
--- a/util.c
+++ b/util.c
@@ -28,7 +28,7 @@ hexdump_line(char *buf, const uint8_t *blob, size_t len, size_t off, int pad)
 {
 	/*
 	 * Format is
-	 * - 16-char hex offset (at most) 
+	 * - 16-char hex offset (at most)
 	 * - 2 spaces
 	 * - 2-char hex byte and a space (16 times)
 	 * - 2 spaces