Update ISSUE_TEMPLATE.md

Author: drwetter

.github/ISSUE_TEMPLATE.md

@@ -4,7 +4,7 @@ Please make sure that you provide enough information so that we understand what
 
 2. testssl version from the banner: testssl.sh -b 2>/dev/null | head -4 | tail -2
 
-3. git log | head -1 (if running from git repo)
+3. git log | head -1 (if running from git repo). Important: If in doubt check the git log and/or check whether you run the lastest 3.0 version from the git repo.
 
 4. openssl version used by testssl.sh: testssl.sh -b 2>/dev/null | awk -F':' '/openssl/ { print $2}'