Fixed typos in README.txt file.

Author: marek-trtik

benchmarks/GENUINE/README.txt

@@ -61,14 +61,14 @@ Install guide for Ubuntu:
   5. cd ..
   6. rm -rf ./webgoat-container
 
-The WebGoat does not seam to have a deployment step. Fortunatelly, the whole
+The WebGoat does not seem to have a deployment step. Fortunately, the whole
 app is relatively small, so we can load everything for each lesson. It means
 that we can pass to the Python driver script these options:
     -I <security-scanner-root-dir>/benchmarks/GENUINE/WebGoat
     -L <security-scanner-root-dir>/benchmarks/GENUINE/WebGoat
 
 General notes: The project is set up in a relatively standard way, likely to allow people to
-understand easily what's going on if they look at the code. The main vulernerabilities are
+understand easily what's going on if they look at the code. The main vulnerabilities are
 in the webgoat-lessons folder, which holds server web service endpoints that then test if
 the pupils have managed to exploit the particular issue they are highlighting.