diff --git a/src/core/receiver/control_thread.h b/src/core/receiver/control_thread.h
index f20e09a57..fe02d0602 100644
--- a/src/core/receiver/control_thread.h
+++ b/src/core/receiver/control_thread.h
@@ -1,11 +1,11 @@
 /*!
-  * \file control_thread.h
+ * \file control_thread.h
  * \brief Interface of the receiver control plane
  * \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
  *
  * GNSS Receiver Control Plane: connects the flowgraph, starts running it,
  * and while it does not stop, reads the control messages generated by the blocks,
- * process them, and apply the corresponding actions.
+ * processes them, and applies the corresponding actions.
  *
  * -------------------------------------------------------------------------
  *
@@ -19,7 +19,7 @@
  * GNSS-SDR is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
- * at your option) any later version.
+ * (at your option) any later version.
  *
  * GNSS-SDR is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -47,7 +47,10 @@ class ConfigurationInterface;
 
 
 /*!
- * \brief This class represents the main thread of the application, aka Control Thread.
+ * \brief This class represents the main thread of the application, so the name is ControlThread.
+ * This is the GNSS Receiver Control Plane: it connects the flowgraph, starts running it,
+ * and while it does not stop, reads the control messages generated by the blocks,
+ * processes them, and applies the corresponding actions.
  */
 class ControlThread
 {
@@ -102,7 +105,7 @@ public:
     /*!
      * \brief Instantiates a flowgraph
      *
-     * \return Returns a pointer to a flowgraph object
+     * \return Returns a smart pointer to a flowgraph object
      */
     std::shared_ptr<GNSSFlowgraph> flowgraph()
     {
@@ -128,47 +131,53 @@ private:
     void process_control_messages();
 
     /*
-     * \brief Blocking function that reads the GPS ephemeris queue and updates the shared ephemeris map, accessible from the PVT block
+     * Blocking function that reads the GPS ephemeris queue and updates the shared ephemeris map, accessible from the PVT block
      */
     void gps_ephemeris_data_collector();
+
     /*
-     * \brief Writes the ephemeris map to a local XML file
+     * Writes the ephemeris map to a local XML file
      */
     void gps_ephemeris_data_write_to_XML();
+
     /*
-     * \brief Blocking function that reads the UTC model queue and updates the shared map, accessible from the PVT block
+     * Blocking function that reads the UTC model queue and updates the shared map, accessible from the PVT block
      */
     void gps_utc_model_data_collector();
 
     /*
-     * \brief Write the latest GPS UTC model to XML file
+     * Write the latest GPS UTC model to XML file
      */
     void gps_utc_model_data_write_to_XML();
 
     /*
-     * \brief Blocking function that reads the iono model queue and updates the shared map, accessible from the PVT block
+     * Blocking function that reads the iono model queue and updates the shared map, accessible from the PVT block
      */
     void gps_iono_data_collector();
 
     /*
-     * \brief Write the latest GPS IONO model to XML file
+     * Write the latest GPS IONO model to XML file
      */
     void gps_iono_data_write_to_XML();
 
     /*
-     * \brief Blocking function that reads the GPS assistance queue
+     * Blocking function that reads the GPS assistance queue
      */
     void gps_acq_assist_data_collector();
 
     /*
-     * \brief Blocking function that reads the Galileo ephemeris queue and updates the shared ephemeris map, accessible from the PVT block
+     * Blocking function that reads the Galileo ephemeris queue and updates the shared ephemeris map, accessible from the PVT block
      */
     void galileo_ephemeris_data_collector();
+
     /*
-    * \brief Blocking function that reads the UTC model queue and updates the shared map, accessible from the PVT block
-    */
+     * Blocking function that reads the UTC model queue and updates the shared map, accessible from the PVT block
+     */
     void galileo_utc_model_data_collector();
 
+    /*
+     * Blocking function that reads the iono data queue and updates the shared map, accessible from the PVT block
+     */
     void galileo_iono_data_collector();
 
     void apply_action(unsigned int what);
@@ -182,6 +191,7 @@ private:
     unsigned int processed_control_messages_;
     unsigned int applied_actions_;
     boost::thread keyboard_thread_;
+
     boost::thread gps_ephemeris_data_collector_thread_;
     boost::thread gps_iono_data_collector_thread_;
     boost::thread gps_utc_model_data_collector_thread_;