Note that footnote tags need not be numeric

doc/user/markdown.md

@@ -778,12 +778,22 @@ Footnotes add a link to a note rendered at the end of a Markdown file:
 ```markdown
 You can add footnotes to your text as follows.[^1]
 
-[^1]: This is my awesome footnote (later in file).
+[^1]: This is a footnote (later in file).
+
+The footnote tag can use letters and other characters too.[^footnote-note]
+
+[^footnote-note]: Footnote numbers are auto-generated by order, so it doesn't matter what the tag name is.
+
+
 ```
 
 You can add footnotes to your text as follows.[^1]
 
-[^1]: This is my awesome footnote (later in file).
+[^1]: This is a footnote (later in file).
+
+The footnote tag can use letters and other characters too.[^footnote-note]
+
+[^footnote-note]: Footnote numbers are auto-generated by order, so it doesn't matter what the tag name is.
 
 ### Headers