Fix typo in error_codes doc

dario23 · dario23 · commit e3d735dcbf3f · 2020-06-21T10:22:19.000+02:00
diff --git a/src/librustc_error_codes/error_codes/E0081.md b/src/librustc_error_codes/error_codes/E0081.md
@@ -1,4 +1,4 @@
-A discrimant value is present more than once.
+A discriminant value is present more than once.
 
 Erroneous code example:
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-A discrimant value is present more than once.`
	`1`	`+A discriminant value is present more than once.`
`2`	`2`
`3`	`3`	`Erroneous code example:`
`4`	`4`