diff --git a/pyrmv/enums/filter_mode.py b/pyrmv/enums/filter_mode.py
index 69414fc..192c3c0 100644
--- a/pyrmv/enums/filter_mode.py
+++ b/pyrmv/enums/filter_mode.py
@@ -2,7 +2,12 @@ from enum import auto
 from .auto_name import AutoName
 
 class FilterMode(AutoName):
-    """Enumeration used to declare filters for nearby searches."""
+    """Enumeration used to declare filters for nearby searches.  
+    
+    * DIST_PERI - Accentuate matches. Matches in the radius are first
+    * EXCL_PERI - Returns matches inside the radius only
+    * SLCT_PERI - Matches in the radius are excluded. Returns matches outside the radius only
+    """
 
     DIST_PERI = auto()
     "Accentuate matches. Matches in the radius are first."
diff --git a/pyrmv/enums/location_type.py b/pyrmv/enums/location_type.py
index 4208b4b..9631444 100644
--- a/pyrmv/enums/location_type.py
+++ b/pyrmv/enums/location_type.py
@@ -2,7 +2,22 @@ from enum import auto
 from .auto_name import AutoName
 
 class LocationType(AutoName):
-    """Enumeration used to declare types of location filter."""
+    """Enumeration used to declare types of location filter.  
+    
+    * S - Search for station/stops only
+    * A - Search for addresses only
+    * P - Search for POIs only
+    * AP - Search for addresses and POIs
+    * SA - Search for station/stops and addresses
+    * SE - Search for stations/stops and entrypoints
+    * SP - Search for stations/stops and POIs
+    * ALL - Search in all existing location pools
+    * SPE - Search for stations/stops, POIs and entrypoints
+
+    Note that not all location types may be available for a certain methods.
+    Make sure that selected type is supported by method by looking up 
+    its acceptable types in argument description.
+    """
 
     S = auto()
     "Search for station/stops only"
diff --git a/pyrmv/enums/selection_mode.py b/pyrmv/enums/selection_mode.py
index 0bb5f61..4bbd9fb 100644
--- a/pyrmv/enums/selection_mode.py
+++ b/pyrmv/enums/selection_mode.py
@@ -2,7 +2,11 @@ from enum import auto
 from .auto_name import AutoName
 
 class SelectionMode(AutoName):
-    """Enumeration used to declare location selection modes."""
+    """Enumeration used to declare location selection modes.
+    
+    * SLCT_A - Selectable
+    * SLCT_N - Not selectable
+    """
 
     SLCT_A = auto()
     "Selectable"