diff --git a/definitions/boot.def b/definitions/boot.def
index 61a7b7be0..8111e1634 100644
--- a/definitions/boot.def
+++ b/definitions/boot.def
@@ -18,12 +18,12 @@ constant defaultTypeOfLevel="unknown" : hidden;
 
 gribDataQualityChecks = getenv("ECCODES_GRIB_DATA_QUALITY_CHECKS","0") : hidden;
 if (gribDataQualityChecks) {
-    template LIMITS "param_limits.def";
+  template LIMITS "param_limits.def";
 }
 
 # GRIBEX special boustrophedonic mode. See GRIB-472
 # If the environment variable is not defined, the key will be 0
-GRIBEX_boustrophedonic = getenv("ECCODES_GRIBEX_BOUSTROPHEDONIC","0")  :hidden;
+GRIBEX_boustrophedonic = getenv("ECCODES_GRIBEX_BOUSTROPHEDONIC","0") :hidden;
 
 constant zero=0 : hidden;
 constant one=1 : hidden;
@@ -61,65 +61,65 @@ transient produceLargeConstantFields = 0 : hidden;
 
 meta libraryVersion library_version() : hidden;
 
-lookup[4] kindOfProduct       (0,identifier) : hidden;
+lookup[4] kindOfProduct (0,identifier) : hidden;
 # grib templates
 # `ABCD` is a number, each letter being a byte
 
 if(kindOfProduct == `GRIB`){
- lookup[1] GRIBEditionNumber  (7,editionNumber)  : edition_specific  ;
- template      GRIB "grib[GRIBEditionNumber:l]/boot.def" ;
+ lookup[1] GRIBEditionNumber (7,editionNumber) : edition_specific;
+ template  GRIB "grib[GRIBEditionNumber:l]/boot.def" ;
 }
 
 if(kindOfProduct == `BUDG` ){
- template      BUDG "budg/boot.def" ;
+ template BUDG "budg/boot.def" ;
 }
 
 if(kindOfProduct == `DIAG`){
- template      DIAG "diag/boot.def" ;
+ template DIAG "diag/boot.def" ;
 }
 
 if(kindOfProduct == `TIDE`){
- template      TIDE "tide/boot.def" ;
+ template TIDE "tide/boot.def" ;
 }
 
 if(kindOfProduct == `BUFR`){
- template      BUFR "bufr/boot.def" ;
+ template BUFR "bufr/boot.def" ;
  #constant  BUFRstr="BUFR"; #ECC-742
  #alias identifier=BUFRstr;
 }
 
 if(kindOfProduct == `CDFX`){
- template      CDF "cdf/boot.def" ;
- constant  CDFstr="netCDF";
+ template CDF "cdf/boot.def" ;
+ constant CDFstr="netCDF";
  alias ls.identifier=CDFstr;
 }
 
 if(kindOfProduct == 17632522 ){
- template      GTS "gts/boot.def" ;
+ template GTS "gts/boot.def" ;
  constant GTSstr="GTS";
  alias ls.identifier=GTSstr;
 }
 
 if(kindOfProduct == `META` ){
- template      METAR "metar/boot.def" ;
+ template METAR "metar/boot.def" ;
  constant METARstr="METAR";
  alias identifier=METARstr;
 }
 
 if(kindOfProduct == `TAF ` ){
- template      TAF "taf/boot.def" ;
+ template TAF "taf/boot.def" ;
  constant TAFstr="TAF";
  alias ls.identifier=TAFstr;
 }
 
 if(kindOfProduct == 2303214662){
- template      HDF5 "hdf5/boot.def" ;
- constant  HDF5str="HDF5";
+ template HDF5 "hdf5/boot.def" ;
+ constant HDF5str="HDF5";
  alias ls.identifier=HDF5str;
 }
 
 if(kindOfProduct == `WRAP`){
- template      WRAP "wrap/boot.def" ;
- constant  WRAPstr="WRAP";
+ template WRAP "wrap/boot.def" ;
+ constant WRAPstr="WRAP";
  alias ls.identifier=WRAPstr;
 }