diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..cbdcbbc
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.js text eol=lf
diff --git a/API.md b/API.md
index 1909c38..bd6244d 100644
--- a/API.md
+++ b/API.md
@@ -122,7 +122,7 @@ This is an alias for `Parsimmon.regexp`.
 
 ## Parsimmon.notFollowedBy(parser)
 
-Parses using `parser`, but does not consume what it parses. Yields an empty string if the parser *does not match* the input. Otherwise it fails.
+Parses using `parser`, but does not consume what it parses. Yields `null` if the parser *does not match* the input. Otherwise it fails.
 
 ## Parsimmon.lookahead(parser)
 
diff --git a/package.json b/package.json
index 2c16ce9..807dc60 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "parsimmon",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "A monadic LL(infinity) parser combinator library",
   "keywords": [
     "parsing",