fixes typo

doc/src/weight_files.dox

@@ -11,7 +11,7 @@ In order to let YAC write out weight files the writing has to be enabled
 either through the interface or the \ref yaml_file "configuration file" by
 providing a weight file name.
 
-YAC will write out the wight file in parallel. This parallel output can be
+YAC will write out the weight file in parallel. This parallel output can be
 configured as described here: \ref io_config_detail
 
 \code{.yaml}

doc/src/yaml_file.dox

@@ -172,7 +172,7 @@ respective components are being ignored.
     The weight file can be read in by the
     \ref interp_method_file "user-file interpolation method"
 
-    YAC will do the reading and writing of wight files in parallel.
+    YAC will do the reading and writing of weight files in parallel.
     This parallel IO can be configured as described here:
     \ref io_config_detail
 

src/mci/yac.h

@@ -1219,7 +1219,7 @@ extern double const YAC_FRAC_MASK_NO_VALUE;
      @param[in] ext_couple_config_id extended coupling configuration
      @param[in] weight_file name of a weight file
      @remark if (weight_file == NULL) no weight file will be written
-     @remark YAC will write out the wight file in parallel.
+     @remark YAC will write out the weight file in parallel.
              This parallel output can be configured as described here:
              \ref io_config_detail
  */