#19 doc

README.md

@@ -78,8 +78,8 @@ There were 1000000 repetition cycles. The entire benchmark took 263s.
 
 <!-- benchmark -->
 
-As you see, the highest performance gain is achieved for maps that are smaller than ten keys.
-For a map of just a few keys, the gain is enormous (most probably due to compiler optimizations).
+As you see, the highest performance gain was achieved for the maps that were smaller than ten keys.
+For the maps of just a few keys, the gain was enormous (most probably due to compiler optimizations).
 
 ## How to Contribute