Update README.md

Author: gretard

examples/5-tsql/README.md

@@ -2,11 +2,11 @@
 Analyses project from  https://github.com/microsoft/sql-server-samples
 
 ## Execute analysis
-1. Update **sonar-project.properties** with corrent credentials
+1. Update **sonar-project.properties** with correct credentials
 2. Run: ```powershell -File executeAnalysis.ps1```
 
 ## Requirements
 Required tools:
 
 - git
-- powershell
+- powershell