diff --git a/R/hubeau.R b/R/hubeau.R
index 5ec0d15ad03867e6057c89dfcda7dfa794050b75..847f3ef8961315e15a4a019d82791990609dcb14 100644
--- a/R/hubeau.R
+++ b/R/hubeau.R
@@ -10,9 +10,9 @@
 #'
 #' Available functions:
 #'
-#' - [get_hydrometrie_observations_tr]
-#' - [get_hydrometrie_sites]
-#' - [get_hydrometrie_stations]
+#' - [get_hydrometrie_observations_tr]: hydrometry water level and discharge time series
+#' - [get_hydrometrie_sites]: hydrometry sites (can contain several stations)
+#' - [get_hydrometrie_stations]: hydrometry stations
 #'
 #' **API "Indicateurs des services"**
 #'
@@ -20,8 +20,8 @@
 #'
 #' Available functions:
 #'
-#' - [get_indicateurs_services_communes]
-#' - [get_indicateurs_services_indicateurs]
+#' - [get_indicateurs_services_communes]: performance indicators by commune
+#' - [get_indicateurs_services_indicateurs]: performance indicators by indicator
 #'
 #' **API "Piézométrie"**
 #'
@@ -29,7 +29,9 @@
 #'
 #' Available functions:
 #'
-#' - [get_niveaux_nappes_stations]
+#' - [get_hydrometrie_chroniques]: archived time series of piezometric stations
+#' - [get_hydrometrie_chroniques_tr]: real-time time series of piezometric stations
+#' - [get_niveaux_nappes_stations]: piezometric stations
 #'
 #' **API "Prélèvements en eau"**
 #'
@@ -37,9 +39,9 @@
 #'
 #' Available functions:
 #'
-#' - [get_prelevements_chroniques]
-#' - [get_prelevements_ouvrages]
-#' - [get_prelevements_points_prelevement]
+#' - [get_prelevements_chroniques]: time series of annual withdrawn volumes by device
+#' - [get_prelevements_ouvrages]: withdrawal devices (can contain several withdrawal points)
+#' - [get_prelevements_points_prelevement]: withdrawal points
 #'
 #' @docType package
 #' @name hubeau
diff --git a/man/hubeau.Rd b/man/hubeau.Rd
index 7287b207a66a672ae9fb1f6abc69b7a9e7a65cd7..7182d815476dbc71f2fc5dc730885429ad22237e 100644
--- a/man/hubeau.Rd
+++ b/man/hubeau.Rd
@@ -16,9 +16,9 @@ API documentation: \url{https://hubeau.eaufrance.fr/page/api-hydrometrie}
 
 Available functions:
 \itemize{
-\item \link{get_hydrometrie_observations_tr}
-\item \link{get_hydrometrie_sites}
-\item \link{get_hydrometrie_stations}
+\item \link{get_hydrometrie_observations_tr}: hydrometry water level and discharge time series
+\item \link{get_hydrometrie_sites}: hydrometry sites (can contain several stations)
+\item \link{get_hydrometrie_stations}: hydrometry stations
 }
 
 \strong{API "Indicateurs des services"}
@@ -27,8 +27,8 @@ API documentation: \url{https://hubeau.eaufrance.fr/page/api-indicateurs-service
 
 Available functions:
 \itemize{
-\item \link{get_indicateurs_services_communes}
-\item \link{get_indicateurs_services_indicateurs}
+\item \link{get_indicateurs_services_communes}: performance indicators by commune
+\item \link{get_indicateurs_services_indicateurs}: performance indicators by indicator
 }
 
 \strong{API "Piézométrie"}
@@ -37,7 +37,9 @@ API documentation: \url{https://hubeau.eaufrance.fr/page/api-piezometrie}
 
 Available functions:
 \itemize{
-\item \link{get_niveaux_nappes_stations}
+\item \link{get_hydrometrie_chroniques}: archived time series of piezometric stations
+\item \link{get_hydrometrie_chroniques_tr}: real-time time series of piezometric stations
+\item \link{get_niveaux_nappes_stations}: piezometric stations
 }
 
 \strong{API "Prélèvements en eau"}
@@ -46,8 +48,8 @@ API documentation: \url{https://hubeau.eaufrance.fr/page/api-prelevements-eau}
 
 Available functions:
 \itemize{
-\item \link{get_prelevements_chroniques}
-\item \link{get_prelevements_ouvrages}
-\item \link{get_prelevements_points_prelevement}
+\item \link{get_prelevements_chroniques}: time series of annual withdrawn volumes by device
+\item \link{get_prelevements_ouvrages}: withdrawal devices (can contain several withdrawal points)
+\item \link{get_prelevements_points_prelevement}: withdrawal points
 }
 }