Update README.md

README.md

@@ -271,11 +271,11 @@ db.remove({ system: 'solar' }, { multi: true }, function (err, numRemoved) {
 
 As such, it was not designed for speed. That said, it is still pretty fast on the expected datasets (10,000
 documents max). On my machine (3 years old, no SSD), with a collection
-containing 10,000 documents and with no index (they not implemented yet):  
-* An insert takes 0.1ms
-* A read takes 5.7ms
-* An update takes 10.9ms
-* A deletion takes 8.1ms  
+containing 10,000 documents and with no index (they are not implemented yet):  
+* An insert takes 0.1 ms
+* A read takes 5.7 ms
+* An update takes 10.9 ms
+* A deletion takes 8.1 ms  
 
 You can run the simple benchmarks I use by executing the scripts in the `benchmarks` folder. They all take an optional parameter which is the size of the dataset to use (default is 10,000).