Fix some spelling errors

spec/Document_spec.lua

@@ -84,7 +84,7 @@ describe('rapidjson.Document', function()
 		before_each(function()
 			doc:parse('{"a": ["apple", "air"], "/":10, "~": 0.5, " ": "ws"}')
 		end)
-		it('"" returns entire docuement', function()
+		it('"" returns entire document', function()
 			assert.are.same({a = {'apple', 'air'}, ['/'] = 10, ['~'] = 0.5, [' '] = 'ws'}, doc:get(''))
 		end)
 		it('"/a" retusn root object value of key "a"', function()
@@ -146,7 +146,7 @@ describe('rapidjson.Document', function()
 	end)
 
 	describe(':stringify()', function()
-		it('serializes docuement to string', function()
+		it('serializes document to string', function()
 			doc:parse('{"a":["apple","air"],"/":10,"~":0.5," ":"ws"}')
 			assert.are.equals('{"a":["apple","air"],"/":10,"~":0.5," ":"ws"}', doc:stringify())
 		end)
@@ -169,7 +169,7 @@ describe('rapidjson.Document', function()
 		after_each(function()
 			os.remove(filename)
 		end)
-		it('saves docuement to file', function()
+		it('saves document to file', function()
 			doc:parse('{"a":["apple","air"],"/":10,"~":0.5," ":"ws"}')
 			doc:save(filename)
 			assert.are.equals('{"a":["apple","air"],"/":10,"~":0.5," ":"ws"}', fileContents(filename))

spec/Schema_spec.lua

@@ -118,11 +118,11 @@ describe('rapidjson.SchemaValidator', function()
 				assert.is_false(ok)
 				assert.is_not_nil(ok)
 				assert.are.equals('string', type(err))
-				assert.are.equals('invalid "type" in docuement at pointer "#"', err)
+				assert.are.equals('invalid "type" in document at pointer "#"', err)
 			end)
 		end)
 		describe('restes validator status internally', function()
-			it('so that can validate mulitple docuement', function()
+			it('so that can validate mulitple document', function()
 				local n = rapidjson.Document('42')
 				local invalid = rapidjson.Document('{"a": "b"}')
 				assert.is_true(validator:validate(n))

src/Schema.cpp

@@ -79,9 +79,9 @@ static void pushValidator_error(lua_State* L, SchemaValidator* validator) {
 	luaL_addstring(&b, "invalid \"");
 
 	luaL_addstring(&b, validator->GetInvalidSchemaKeyword());
-	luaL_addstring(&b, "\" in docuement at pointer \"");
+	luaL_addstring(&b, "\" in document at pointer \"");
 
-	// docuement pointer
+	// document pointer
 	StringBuffer sb;
 	validator->GetInvalidDocumentPointer().StringifyUriFragment(sb);
 	luaL_addlstring(&b, sb.GetString(), sb.GetSize());