fix links

pages/02.troubleshooting/02.common-problems/docs.md

@@ -43,6 +43,6 @@ See [this answer](https://stackoverflow.com/questions/18487056/select2-doesnt-wo
 
 ### The dropdown becomes misaligned/displaced when using pinch-zoom.
 
-See https://github.com/select2/select2/issues/5048.  The problem is that some browsers' implementations of pinch-zoom affect the `body` element, which [Select2 attaches to by default](https://select2.org/dropdown#dropdown-placement), causing it to render incorrectly.
+See [#5048](https://github.com/select2/select2/issues/5048).  The problem is that some browsers' implementations of pinch-zoom affect the `body` element, which [Select2 attaches to by default](https://select2.org/dropdown#dropdown-placement), causing it to render incorrectly.
 
 The solution is to use `dropdownParent` to attach the dropdown to a more specific element.

pages/12.programmatic-control/04.events/docs.md

@@ -137,7 +137,7 @@ function log (name, evt) {
 
 ## Preventing events
 
-See https://stackoverflow.com/a/26706695/2970321.
+See [https://stackoverflow.com/a/26706695/2970321](https://stackoverflow.com/a/26706695/2970321).
 
 ## Internal Select2 events