Fix typos

src/language/__tests__/parser-test.js

@@ -379,7 +379,7 @@ describe('Parser', () => {
     expect(() => parse(document)).to.throw('Syntax Error');
   });
 
-  it('contains location information that only stringifys start/end', () => {
+  it('contains location information that only stringifies start/end', () => {
     const result = parse('{ id }');
 
     expect(JSON.stringify(result.loc)).to.equal('{"start":0,"end":6}');

src/type/__tests__/scalars-test.js

@@ -322,7 +322,7 @@ describe('Type System: Specified scalar types', () => {
       expect(parseLiteral('0')).to.equal('0');
       expect(parseLiteral('-1')).to.equal('-1');
 
-      // Support arbituary long numbers even if they can't be represented in JS
+      // Support arbitrary long numbers even if they can't be represented in JS
       expect(parseLiteral('90071992547409910')).to.equal('90071992547409910');
       expect(parseLiteral('-90071992547409910')).to.equal('-90071992547409910');
 

src/validation/__tests__/KnownTypeNames-test.js

@@ -175,7 +175,7 @@ describe('Validate: Known type names', () => {
       ]);
     });
 
-    it('doesnot consider non-type definitions', () => {
+    it('does not consider non-type definitions', () => {
       expectSDLErrors(`
         query Foo { __typename }
         fragment Foo on Query { __typename }