diff --git a/src/yapsut/mks.py b/src/yapsut/mks.py
index ae83004ef57916f170cf0d4197b8cb9627f38dd4..25aab672b6f5f7cb3a124dea3c7f36187e7a9d99 100644
--- a/src/yapsut/mks.py
+++ b/src/yapsut/mks.py
@@ -44,8 +44,8 @@ Wien displacement law constant    |       \\lambda_{\\mathrm{max}}| lambdaWien |
 Wien displacement law in frequency|           \\nu_{\\mathrm{max}}|     nuWien |       nuWien| 9.66592693602719e-12 | K / Hz  | lambdaWien/c
 Wien displacement law in b.b. x   |             u_{\\mathrm{Wien}}|      uWien |        uWien| 4.965114231744276303 |         | uWien
 Black Body mean photon E coeff.   |             {\\tilde E_{\\nu}}|meanBBPhotEn| meanBBPhotEn| 3.729378749850374e-23| J / K   | sigmaSB/(sigmaSBphot*1e-6*Navo)
-Earth Mass                        |                 {M_{\\ocross}}|   earthMass|    earthMass| 5.9722e24            | Kg      |
-Earth Radius                      |                 {r_{\\ocross}}| earthRadius|  earthRadius| 63721e3              | m       |
+standard Earth Mass               |                 {M_{\\ocross}}|   earthMass|    earthMass| 5.9722e24            | Kg      |
+standard Earth Radius             |                 {r_{\\ocross}}| earthRadius|  earthRadius| 63721e3              | m       |
 """),sep='\s*\|\s*',comment='#',engine="python",index_col=None)
       #
       self._table['comment'] =np.array(['' if str(k).lower() in ['nan'] else k for k in   self._table['comment'].values])