diff --git a/doc/0.getting_started.md b/doc/0.getting_started.md
index e0473c8..695d49c 100644
--- a/doc/0.getting_started.md
+++ b/doc/0.getting_started.md
@@ -153,6 +153,8 @@ under the `constraints` key. The available constraints are:
   `null`) from the place identified by the GPS coordinates `LAT` and `LNG`
   (latitude and longitude), and we call this place `foobar` in human-readable
   form. Beware that `time` constraints are in **seconds**.
+ * `minimum_nb_photos` let you filter out posts with less than this number of
+   photos.
 
 
 You can think of constraints as "a set of criterias to filter out flats". You
diff --git a/flatisfy/config.py b/flatisfy/config.py
index aa97508..c43e201 100644
--- a/flatisfy/config.py
+++ b/flatisfy/config.py
@@ -34,7 +34,7 @@ DEFAULT_CONFIG = {
             "cost": (None, None),  # (min, max) in currency unit
             "rooms": (None, None),  # (min, max)
             "bedrooms": (None, None),  # (min, max)
-            "minimum_photos": None,
+            "minimum_nb_photos": None,  # min number of photos
             "time_to": {}  # Dict mapping names to {"gps": [lat, lng],
                            #                        "time": (min, max) }
                            # Time is in seconds
@@ -139,10 +139,10 @@ def validate_config(config, check_with_data):
             assert isinstance(constraint["type"], str)
             assert constraint["type"].upper() in ["RENT", "SALE", "SHARING"]
 
-            assert "minimum_photos" in constraint
-            if constraint["minimum_photos"]:
-                assert isinstance(constraint["minimum_photos"], int)
-                assert constraint["minimum_photos"] >= 0
+            assert "minimum_nb_photos" in constraint
+            if constraint["minimum_nb_photos"]:
+                assert isinstance(constraint["minimum_nb_photos"], int)
+                assert constraint["minimum_nb_photos"] >= 0
 
             assert "house_types" in constraint
             assert constraint["house_types"]
diff --git a/flatisfy/filters/__init__.py b/flatisfy/filters/__init__.py
index 2bbf2f0..5028b96 100644
--- a/flatisfy/filters/__init__.py
+++ b/flatisfy/filters/__init__.py
@@ -80,7 +80,7 @@ def refine_with_housing_criteria(flats_list, constraint):
     )
 
 
-def refine_with_minimum_photos(flats_list, constraint):
+def refine_with_minimum_nb_photos(flats_list, constraint):
     """
     Filter a list of flats according to the minimum number of photos criterion.
 
@@ -99,7 +99,7 @@ def refine_with_minimum_photos(flats_list, constraint):
         # Check number of pictures
         has_enough_photos = tools.is_within_interval(
             flat.get('photos', []),
-            constraint['minimum_photos'],
+            constraint['minimum_nb_photos'],
             None
         )
         if not has_enough_photos:
@@ -107,7 +107,7 @@ def refine_with_minimum_photos(flats_list, constraint):
                 "Flat %s only has %d photos, it should have at least %d.",
                 flat["id"],
                 len(flat['photos']),
-                constraint['minimum_photos']
+                constraint['minimum_nb_photos']
             )
             is_ok[i] = False
 
@@ -203,8 +203,8 @@ def second_pass(flats_list, constraint, config):
                                                             constraint)
 
     # Remove return housing posts which do not have enough photos
-    flats_list, ignored_list = refine_with_minimum_photos(flats_list,
-                                                          constraint)
+    flats_list, ignored_list = refine_with_minimum_nb_photos(flats_list,
+                                                             constraint)
 
     return {
         "new": flats_list,