diff --git a/cscripts/csobs2caldb.py b/cscripts/csobs2caldb.py
index 45a85ca..c68226c 100755
--- a/cscripts/csobs2caldb.py
+++ b/cscripts/csobs2caldb.py
@@ -146,10 +146,10 @@ class csobs2caldb(ctools.cscript):
         fits = gammalib.GFits()
         
         # Create GFilename instances
-        fname_aeff = gammalib.GFilename(rsp.aeff().filename())
-        fname_psf = gammalib.GFilename(rsp.psf().filename())
+        fname_aeff  = gammalib.GFilename(rsp.aeff().filename())
+        fname_psf   = gammalib.GFilename(rsp.psf().filename())
         fname_edisp = gammalib.GFilename(rsp.edisp().filename())
-        fname_bkg = gammalib.GFilename(rsp.background().filename())
+        fname_bkg   = gammalib.GFilename(rsp.background().filename())
     
         # Open FITS files of response components
         fits_aeff  = gammalib.GFits(fname_aeff.filename())
diff --git a/src/support/ctool.cpp b/src/support/ctool.cpp
index a5c5daa..9efd517 100644
--- a/src/support/ctool.cpp
+++ b/src/support/ctool.cpp
@@ -417,7 +417,7 @@ GEbounds ctool::create_ebounds(void)
         // Create filename instance
         GFilename fname(ebinfile);
 
-       // Check if extension name was provided
+        // Check if extension name was provided
         if (!fname.has_extname()) {
 
             // Open energy boundary file using the EBOUNDS or ENERGYBINS