diff --git a/src/main/webapp/com/ardublock/reference/loop.html b/src/main/webapp/com/ardublock/reference/loop.html
index 31d020ee40944bc2fa73cf02d26c4be5ac3b0e97..8cf004c868ce2637dbd026e3e94f438896755a81 100644
--- a/src/main/webapp/com/ardublock/reference/loop.html
+++ b/src/main/webapp/com/ardublock/reference/loop.html
@@ -1,5 +1,6 @@
 <html>
-<img style="-webkit-user-select: none"  src="loop	.png" alt="image" ></br>
-<font size=+2>loop</font></br>
-<font color=red>info Text</font><font color=blue>Bild</font>
-<font size=-2>Troubleshooting</font></html>
+<img style="-webkit-user-select: none"  src="loop.png" alt="image" ></br>
+<font color=red>info Text</font> </br>
+<font color=blue>Bild</font></br>
+<font size=-2>Troubleshooting</font></br>
+</html>
diff --git a/src/main/webapp/com/ardublock/reference/loop.jpg b/src/main/webapp/com/ardublock/reference/loop.jpg
deleted file mode 100644
index d176f9a2bb1f3607db3eaa8c8a6ade687c251133..0000000000000000000000000000000000000000
Binary files a/src/main/webapp/com/ardublock/reference/loop.jpg and /dev/null differ
diff --git a/src/main/webapp/com/ardublock/reference/program_comment.html b/src/main/webapp/com/ardublock/reference/program_comment.html
index 3b3607e49a56eb04fc53ea776f3e9611a9f48d18..3fef8b052b72428b7e5ecb5e3841e220d3507b02 100644
--- a/src/main/webapp/com/ardublock/reference/program_comment.html
+++ b/src/main/webapp/com/ardublock/reference/program_comment.html
@@ -1,5 +1,7 @@
 <html>
 <img style="-webkit-user-select: none"  src="program_comment.png" alt="image" ></br>
-<font size=+2>loop</font></br>
-<font color=red>info Text</font><font color=blue>Bild</font>
-<font size=-2>Troubleshooting</font></html>
+<font size=+2>program_comment</font></br>
+<font color=red>info Text</font> </br>
+<font color=blue>Bild</font></br>
+<font size=-2>Troubleshooting</font></br>
+</html>