diff --git a/src/libcore/str.rs b/src/libcore/str.rs
index 13afab2beb94..4523721e9836 100644
--- a/src/libcore/str.rs
+++ b/src/libcore/str.rs
@@ -517,13 +517,13 @@ fn split_str_nonempty(s: str, sep: str) -> [str] {
 }
 
 #[doc = "
-Splits a string into a vector of the substrings separated by LF ('\\\\n')
+Splits a string into a vector of the substrings separated by LF ('\\n')
 "]
 fn lines(s: str) -> [str] { split_char(s, '\n') }
 
 #[doc = "
-Splits a string into a vector of the substrings separated by LF ('\\\\n')
-and/or CR LF ('\\\\r\\\\n')
+Splits a string into a vector of the substrings separated by LF ('\\n')
+and/or CR LF ('\\r\\n')
 "]
 fn lines_any(s: str) -> [str] {
     vec::map(lines(s), {|s|