docs: fix typo in comment (#3868)

Signed-off-by: guoguangwu <[email protected]>

Author: testwill

routes_test.go

@@ -339,7 +339,7 @@ func TestRouteParamsByNameWithExtraSlash(t *testing.T) {
 
 // TestRouteParamsNotEmpty tests that context parameters will be set
 // even if a route with params/wildcards is registered after the context
-// initialisation (which happened in a previous requets).
+// initialisation (which happened in a previous requests).
 func TestRouteParamsNotEmpty(t *testing.T) {
 	name := ""
 	lastName := ""