diff --git a/docs.it4i/software/debuggers/vampir.md b/docs.it4i/software/debuggers/vampir.md
index c6f29f48561f4b83df4689c44492bf61edbe7491..49e85445d542f604a50335be6604547262eaa2c7 100644
--- a/docs.it4i/software/debuggers/vampir.md
+++ b/docs.it4i/software/debuggers/vampir.md
@@ -1,6 +1,6 @@
 # Vampir
 
-Vampir is a commercial trace analysis and visualization tool. It can work with traces in OTF and OTF2 formats. It does not have the functionality to collect traces, you need to use a trace collection tool (such as [Score-P][1]) first to collect the traces.
+Vampir is a commercial trace analysis and visualization tool. It works with traces in OTF and OTF2 formats. It does not have the functionality to collect traces, so you need to use a trace collection tool (such as [Score-P][1]) first to collect the traces.
 
 ![](../../img/Snmekobrazovky20160708v12.33.35.png)