diff --git a/Headers/Foundation/NSString.h b/Headers/Foundation/NSString.h
index a7ab7a135..b9c8ea67e 100644
--- a/Headers/Foundation/NSString.h
+++ b/Headers/Foundation/NSString.h
@@ -800,8 +800,8 @@ typedef NSUInteger NSStringEncodingConversionOptions;
 - (NSString*) stringByReplacingPercentEscapesUsingEncoding: (NSStringEncoding)e;
 - (NSString*) stringByTrimmingCharactersInSet: (NSCharacterSet*)aSet;
 - (const char *)UTF8String;
-- (NSString *) stringByAddingPercentWithAllowedCharacters: (NSCharacterSet *)aSet;
-- (NSString *) stringByRemovingEscapeEncoding;
+- (NSString *) stringByAddingPercentEncodingWithAllowedCharacters: (NSCharacterSet *)aSet;
+- (NSString *) stringByRemovingPercentEncoding;
 #endif
 
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_3,GS_API_LATEST) 
diff --git a/Source/NSString.m b/Source/NSString.m
index 1a098e2f0..d5302755d 100644
--- a/Source/NSString.m
+++ b/Source/NSString.m
@@ -1886,7 +1886,7 @@ GSICUCollatorOpen(NSStringCompareOptions mask, NSLocale *locale)
     }
 }
 
-- (NSString *) stringByAddingPercentWithAllowedCharacters: (NSCharacterSet *)aSet
+- (NSString *) stringByAddingPercentEncodingWithAllowedCharacters: (NSCharacterSet *)aSet
 {
   NSData	*data = [self dataUsingEncoding: NSUTF8StringEncoding];
   NSString	*s = nil;
@@ -1934,7 +1934,7 @@ GSICUCollatorOpen(NSStringCompareOptions mask, NSLocale *locale)
   return s;
 }
 
-- (NSString *) stringByRemovingEscapeEncoding
+- (NSString *) stringByRemovingPercentEncoding
 {
   return nil;
 }