diff --git a/src/extra_fields.rs b/src/extra_fields.rs
index 7525539..cb37521 100644
--- a/src/extra_fields.rs
+++ b/src/extra_fields.rs
@@ -198,7 +198,7 @@ fn extract_field(field_name: Field, extra: &Value, fields: &[String], id: Id, tr
     // If we at least got an existing but empty field, return an empty string.
     // I think it's safe to treat it as such.
     } else {
-        log::warn!("Fields are empty in {}: {:?}", id, empty_fields);
+        log::warn!("Fields are empty in {} ({}): {:?}", id, id.url(tracker), empty_fields);
         Ok(String::new())
     }
 }
@@ -546,7 +546,7 @@ impl ExtraFields for Issue {
         if !errors.is_empty() {
             let id = Id::Jira(&self.key);
             let report = error_chain(errors, Field::TargetRelease, fields, id, config);
-            log::warn!("The custom target releases failed in {}. Falling back on the standard fix versions field.", id);
+            log::warn!("The custom target releases failed in {} ({}). Falling back on the standard fix versions field.", id, id.url(config));
 
             // Provide this additional information on demand.
             log::debug!("{}", report);
diff --git a/src/lib.rs b/src/lib.rs
index f92f7e4..b142a01 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -181,7 +181,7 @@ impl Document {
             project.private_footnote,
         );
 
-        templating::report_usage_statistics(&internal_stats);
+        templating::report_usage_statistics(&internal_stats, &tickets_for_internal);
 
         let used_internal: Vec<&AbstractTicket> = tickets_for_internal
             .into_iter()
diff --git a/src/templating.rs b/src/templating.rs
index 7ee526e..07208b8 100644
--- a/src/templating.rs
+++ b/src/templating.rs
@@ -335,7 +335,7 @@ impl config::Section {
                     // If subsystems resulted in an error, print out some debugging information
                     // before quitting. The ticket ID is especially useful.
                     Err(e) => {
-                        log::error!("Invalid subsystems field in ticket {}.", &ticket.id);
+                        log::error!("Invalid subsystems field in ticket {} ({}).", &ticket.id, &ticket.url);
                         panic!("{}", e);
                     }
                 };
@@ -413,17 +413,31 @@ pub fn format_document(
 
 /// Log statistics about tickets that haven't been used anywhere in the templates,
 /// or have been used more than once. Log both as warnings.
-pub fn report_usage_statistics(ticket_stats: &HashMap<Rc<TicketId>, u32>) {
+pub fn report_usage_statistics(
+    ticket_stats: &HashMap<Rc<TicketId>, u32>,
+    tickets: &[&AbstractTicket],
+) {
+    let url_map: HashMap<&Rc<TicketId>, &str> = tickets
+        .iter()
+        .map(|t| (&t.id, t.url.as_str()))
+        .collect();
+
     let unused: Vec<String> = ticket_stats
         .iter()
         .filter(|&(_k, &v)| v == 0)
-        .map(|(k, _v)| Rc::clone(k).to_string())
+        .map(|(k, _v)| {
+            let url = url_map.get(k).copied().unwrap_or("unknown");
+            format!("{} ({})", k, url)
+        })
         .collect();
 
     let overused: Vec<String> = ticket_stats
         .iter()
         .filter(|&(_k, &v)| v > 1)
-        .map(|(k, _v)| Rc::clone(k).to_string())
+        .map(|(k, _v)| {
+            let url = url_map.get(k).copied().unwrap_or("unknown");
+            format!("{} ({})", k, url)
+        })
         .collect();
 
     if !unused.is_empty() {