diff --git a/ChangeLog b/ChangeLog
index 928751b92d..056567ff86 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -143,7 +143,7 @@ Thu Dec  2 21:28:07 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 Thu Dec  2 21:22:05 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* encoding.c (enc_alias_internal): free the copied key and
-	  return NULL when given key is already regisitered.
+	  return NULL when given key is already registered.
 
 	* encoding.c (enc_alias): call set_encoding_const only when the
 	  alias is not registered yet.
diff --git a/NEWS b/NEWS
index c37ec08463..3ce2151f44 100644
--- a/NEWS
+++ b/NEWS
@@ -19,7 +19,7 @@ with all sufficient information, see the ChangeLog file.
 * rb_scan_args() is enhanced with support for option hash argument
   extraction.
 
-* ruby_vm_at_exit() added.  This enables extension libs to hool a VM
+* ruby_vm_at_exit() added.  This enables extension libs to hook a VM
   termination.
 
 === Library updates (outstanding ones only)
@@ -79,7 +79,7 @@ with all sufficient information, see the ChangeLog file.
 
 * rexml
   * [incompatible] support Ruby native encoding mechanism
-    and iconv dependency is droped. This means encoding
+    and iconv dependency is dropped. This means encoding
     methods (Document#encoding, XMLDecl#encoding,
     Output#encoding and Source#encoding) return an Encoding
     object instead of an encoding name.