diff --git a/El_Salvador/20010113_M7.7_Subduction/Recording_Stations/README.md b/El_Salvador/20010113_M7.7_Subduction/Recording_Stations/README.md
index 32d0b49..a901f65 100644
--- a/El_Salvador/20010113_M7.7_Subduction/Recording_Stations/README.md
+++ b/El_Salvador/20010113_M7.7_Subduction/Recording_Stations/README.md
@@ -10,7 +10,7 @@ When the same station data is found in multiple sources, the information from th
 
 The reference datasets were used in the following priority order:
 
-- `Stations_MARN`: Filtered stations from MARN. 
+- `Stations_MARN`: Stations installed at the time by the "Centro de Investigaciones Geotécnicas" (CIG) and the "Universidad Centroamericana José Simeón Cañas" (UCA). MARN obtained the raw waveforms and performed reprocessing and filtering of the signals. Results are housed in the RADES database (MARN's internal strong motion platform). http://rades.snet.gob.sv/EventoDetalle.aspx?id=marn2001aaaa. Last accessed January 2024. 
 
 - `Stations_Casado_et_al_2001`: Casado, C. & Benito, Belén & Bommer, Julian & Ciudad, M. & Peláez, José. (2001). ANÁLISIS DE LOS ACELEROGRAMAS REGISTRADOS EN LOS TERREMOTOS DE EL SALVADOR DE 2001. data available in [Casado_et_al_2001.pdf](https://www.researchgate.net/publication/251945282_ANALISIS_DE_LOS_ACELEROGRAMAS_REGISTRADOS_EN_LOS_TERREMOTOS_DE_EL_SALVADOR_DE_2001). Last accessed July 2022.
 
diff --git a/El_Salvador/20010213_M6.6_SanVicente/Recording_Stations/README.md b/El_Salvador/20010213_M6.6_SanVicente/Recording_Stations/README.md
index ee7ca2c..50f6231 100644
--- a/El_Salvador/20010213_M6.6_SanVicente/Recording_Stations/README.md
+++ b/El_Salvador/20010213_M6.6_SanVicente/Recording_Stations/README.md
@@ -10,7 +10,7 @@ When the same station data is found in multiple sources, the information from th
 
 The reference datasets were used in the following priority order:
 
-- `Stations_MARN`: Filtered stations from MARN. 
+- `Stations_MARN`: Stations installed at the time by the "Centro de Investigaciones Geotécnicas" (CIG) and the "Universidad Centroamericana José Simeón Cañas" (UCA). MARN obtained the raw waveforms and performed reprocessing and filtering of the signals. Results are housed in the RADES database (MARN's internal strong motion platform). http://rades.snet.gob.sv/EventoDetalle.aspx?id=marn2001aaav. Last accessed January 2024.
 
 - `Stations_Casado_et_al_2001`: Casado, C. & Benito, Belén & Bommer, Julian & Ciudad, M. & Peláez, José. (2001). ANÁLISIS DE LOS ACELEROGRAMAS REGISTRADOS EN LOS TERREMOTOS DE EL SALVADOR DE 2001. data available in [Casado_et_al_2001.pdf](https://www.researchgate.net/publication/251945282_ANALISIS_DE_LOS_ACELEROGRAMAS_REGISTRADOS_EN_LOS_TERREMOTOS_DE_EL_SALVADOR_DE_2001). Last accessed July 2022.
 
@@ -21,4 +21,4 @@ The reference datasets were used in the following priority order:
 
 - The `Stations_Unique.csv` file only uses the stations reported by MARN, as it is the official source in the country and it has been post-processed and filtered.
 
-- **MARN:** El Salvador National Seismic Network. The Ministry of Environment and Natural Resources (Ministerio del Medio Ambiente y Recursos Naturales, MARN). http://www.snet.gob.sv/ver/sismologia/estudios/. Last accessed January 2024. 
+- **MARN:** El Salvador National Seismic Network. The Ministry of Environment and Natural Resources (Ministerio del Medio Ambiente y Recursos Naturales, MARN).