diff --git a/lemon/counter.h b/lemon/counter.h
--- a/lemon/counter.h
+++ b/lemon/counter.h
@@ -212,7 +212,7 @@
 
   /// 'Do nothing' version of Counter.
 
-  /// This class can be used in the same way as \ref Counter however it
+  /// This class can be used in the same way as \ref Counter, but it
   /// does not count at all and does not print report on destruction.
   ///
   /// Replacing a \ref Counter with a \ref NoCounter makes it possible