diff --git a/ChangeLog b/ChangeLog
index 41ce0b8fdd..3be2ca8e1c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 Mon Jul 15 09:39:07 2013  Tanaka Akira  <akr@fsij.org>
 
-	* bignum.c (power_cache_get_power): Use bitsize insteadof ceil_log2.
+	* bignum.c (power_cache_get_power): Use bitsize instead of ceil_log2.
 	  (ones): Removed.
 	  (next_pow2): Removed.
 	  (floor_log2): Removed.