diff --git a/exspy/components/eels_cl_edge.py b/exspy/components/eels_cl_edge.py
index 0a2b91854..8bbc7d69c 100644
--- a/exspy/components/eels_cl_edge.py
+++ b/exspy/components/eels_cl_edge.py
@@ -75,7 +75,7 @@ class EELSCLEdge(Component):
 
     The preferred option is to use a database of cross sections in GOSH
     format. One such database can be freely downloaded from Zenodo at:
-    https://zenodo.org/record/6599071 while information on the GOSH format
+    https://doi.org/%s while information on the GOSH format
     are available at: https://gitlab.com/gguzzina/gosh .
 
     eXSpy also supports Peter Rez's Hartree Slater cross sections
@@ -83,8 +83,8 @@ class EELSCLEdge(Component):
     software. If Digital Micrograph is installed in the system eXSpy in the
     standard location eXSpy should find the path to the HS GOS folder.
     Otherwise, the location of the folder can be defined in eXSpy
-    preferences, which can be done through ~:func:`~.api.preferences.gui` or
-    the :attr:`~api.preferences.EELS.eels_gos_files_path` variable.
+    preferences, which can be done through :func:`hyperspy.api.preferences.gui` or
+    the :attr:`hyperspy.api.preferences.EELS.eels_gos_files_path` variable.
 
     Parameters
     ----------
@@ -96,8 +96,8 @@ class EELSCLEdge(Component):
         The GOS to use. Default is ``'gosh'``. If str, it must the path to gosh
         GOS file.
     gos_file_path : str, None
-        Only with GOS='gosh'. Specify the file path of the gosh file
-        to use. If None, use the file from doi:{}
+        Only with ``GOS='gosh'``. Specify the file path of the gosh file
+        to use. If None, use the file from  https://doi.org/%s
 
     Attributes
     ----------
@@ -140,7 +140,7 @@ class EELSCLEdge(Component):
     fine_structure_components : set, default ``set()``
         A set containing components to model the fine structure region
         of the EELS ionization edge.
-    """.format(_GOSH_DOI)
+    """
 
     _fine_structure_smoothing = 0.3
     _fine_structure_coeff_free = True
@@ -290,12 +290,6 @@ def _set_active_fine_structure_components(self, active, **kwargs):
 
     @property
     def fine_structure_smoothing(self):
-        """Controls the level of the smoothing of the fine structure.
-
-        It must a real number between 0 and 1. The higher close to 0
-        the higher the smoothing.
-
-        """
         return self._fine_structure_smoothing
 
     @fine_structure_smoothing.setter
@@ -539,3 +533,6 @@ def as_dictionary(self, fullcopy=True):
         ]
         dic["_whitelist"]["fine_structure_components"] = ""
         return dic
+
+
+EELSCLEdge.__doc__ %= (_GOSH_DOI, _GOSH_DOI)
diff --git a/exspy/components/pes_core_line_shape.py b/exspy/components/pes_core_line_shape.py
index e0484c42d..d3e931bd1 100644
--- a/exspy/components/pes_core_line_shape.py
+++ b/exspy/components/pes_core_line_shape.py
@@ -32,7 +32,10 @@ def _calculate_shirley_background(values):
 
 
 class PESCoreLineShape(Component):
-    """ """
+    """
+    Gaussian components with a Shirley background for photoemission
+    spectroscopy analysis.
+    """
 
     def __init__(self, A=1.0, FWHM=1.0, origin=0.0, ab=0.0, shirley=0.0):
         Component.__init__(self, ["A", "FWHM", "origin", "ab", "shirley"])