diff --git a/geocoding/el/30.txt b/geocoding/el/30.txt
index 47864a0..83f54b4 100644
--- a/geocoding/el/30.txt
+++ b/geocoding/el/30.txt
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Generated from:
-# http://el.wikipedia.org/wiki/Τηλεφωνικοί_κωδικοί_της_Ελλάδας
+# http://el.wikipedia.org/wiki/Τηλεφωνικοί_κωδικοί_της_Ελλάδας [2667046]
 
 3021|Αθήνα/Πειραιάς/Σαλαμίνα
 302221|Χαλκίδα
diff --git a/geocoding/hu/36.txt b/geocoding/hu/36.txt
index 7a2a606..8f7bb2f 100644
--- a/geocoding/hu/36.txt
+++ b/geocoding/hu/36.txt
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Generated from:
-# http://en.wikipedia.org/wiki/Telephone_numbers_in_Hungary
+# http://en.wikipedia.org/wiki/+36 [426160815]
 
 361|Budapest
 3622|Székesfehérvár
diff --git a/geocoding/vi/84.txt b/geocoding/vi/84.txt
index ffdd2a5..11150bb 100644
--- a/geocoding/vi/84.txt
+++ b/geocoding/vi/84.txt
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Generated from:
-# http://vi.wikipedia.org/wiki/M%C3%A3_%C4%91i%E1%BB%87n_tho%E1%BA%A1i_Vi%E1%BB%87t_Nam [4627778]
+# http://vi.wikipedia.org/wiki/Mã_điện_thoại_Việt_Nam [4627778]
 
 8420|Lào Cai
 84210|Phú Thọ