changes to image file as a ling and internal link

zuzanna_rozga_2405216.md

-#text
+[logo]: src/jamk_it-instituutti_logo_engl_web_350x150.png
+
+
+#topic
+
+##heading with a space
 
 texts..
 
@@ -6,7 +11,7 @@ this is a *change*
 
 # Heading 1
 
-![Figure1](src/jamk_it-instituutti_logo_engl_web_350x150.png "Figuretopic1")
+![Figure1][logo]
 
 ## Heading 2
 
@@ -26,5 +31,5 @@ def function():
 
 Text [visible in the row, this points to https://www.jamk.fi/](https://www.jamk.fi/)
 
-[Topic](#topic) -chapter
+[heading with a space](#heading-with-a-space) -chapter