typo and renaming of Fortran executable

.gitignore

@@ -24,7 +24,7 @@
 *.pyc
 Source/Fortran/*.o
 Source/Fortran/*.mod
-Source/Fortran/CONVERT2*
+Source/Fortran/calc_etadot*
 *.tar*
 Run/ECMWF_ENV
 Run/Workspace/*
@@ -33,7 +33,7 @@ Test/Installation/Convert/VERTICAL.EC
 Test/Installation/Convert/fort.15
 For_developers/Sphinx/build_temp
 
-# Temporary ingorance of files!!!!
+# Temporary ignorance of files!!!!
 Source/Fortran/Makefile.ecgate
 Source/Fortran/Makefile.local.gfortran.gw74
 Run/Control/Testgrid/