diff --git a/internal/test_unit/config/PB2NCConfig b/internal/test_unit/config/PB2NCConfig
index 9e8c3b3c25..68b7045d9b 100644
--- a/internal/test_unit/config/PB2NCConfig
+++ b/internal/test_unit/config/PB2NCConfig
@@ -73,7 +73,7 @@ level_category = [];
 
 //
 // BUFR variable names to retain or derive.
-// If emtpy, process all available variables.
+// If empty, process all available variables.
 //
 obs_bufr_var = [ "QOB", "TOB", "ZOB", "UOB", "VOB", "TP24",
                  "D_DPT", "D_WIND", "D_RH", "D_MIXR" ];
diff --git a/internal/test_unit/config/PB2NCConfig_airnow b/internal/test_unit/config/PB2NCConfig_airnow
index d25b5484ba..6f71c2298b 100644
--- a/internal/test_unit/config/PB2NCConfig_airnow
+++ b/internal/test_unit/config/PB2NCConfig_airnow
@@ -78,7 +78,7 @@ level_category = [];
 
 //
 // BUFR variable names to retain or derive.
-// If emtpy, process all available variables.
+// If empty, process all available variables.
 //
 obs_bufr_var = [ "COPO" ];
 
diff --git a/internal/test_unit/config/PB2NCConfig_all b/internal/test_unit/config/PB2NCConfig_all
index 684848b1f3..df110af432 100644
--- a/internal/test_unit/config/PB2NCConfig_all
+++ b/internal/test_unit/config/PB2NCConfig_all
@@ -73,7 +73,7 @@ level_category = [];
 
 //
 // BUFR variable names to retain or derive.
-// If emtpy, process all available variables.
+// If empty, process all available variables.
 //
 obs_bufr_var = [];
 
diff --git a/internal/test_unit/config/PB2NCConfig_summary b/internal/test_unit/config/PB2NCConfig_summary
index 4de66be11f..b75e897177 100644
--- a/internal/test_unit/config/PB2NCConfig_summary
+++ b/internal/test_unit/config/PB2NCConfig_summary
@@ -73,7 +73,7 @@ level_category = [];
 
 //
 // BUFR variable names to retain or derive.
-// If emtpy, process all available variables.
+// If empty, process all available variables.
 //
 obs_bufr_var = [ "QOB", "TOB", "ZOB", "UOB", "VOB",
                  "D_DPT", "D_WIND", "D_RH", "D_MIXR" ];
diff --git a/internal/test_unit/config/PB2NCConfig_vlevel b/internal/test_unit/config/PB2NCConfig_vlevel
index 3de685516b..256ec45c29 100644
--- a/internal/test_unit/config/PB2NCConfig_vlevel
+++ b/internal/test_unit/config/PB2NCConfig_vlevel
@@ -73,7 +73,7 @@ level_category = [];
 
 //
 // BUFR variable names to retain or derive.
-// If emtpy, process all available variables.
+// If empty, process all available variables.
 //
 obs_bufr_var = [ "RSTD", "RWAZ","RWND" ];
 
diff --git a/internal/test_unit/config/ref_config/PB2NCConfig b/internal/test_unit/config/ref_config/PB2NCConfig
index a8760f4d6c..ce6535a6e3 100644
--- a/internal/test_unit/config/ref_config/PB2NCConfig
+++ b/internal/test_unit/config/ref_config/PB2NCConfig
@@ -75,7 +75,7 @@ level_category = [];
 
 //
 // BUFR variable names to retain or derive.
-// If emtpy, process all available variables.
+// If empty, process all available variables.
 //
 obs_bufr_var = [ "QOB", "TOB", "ZOB", "UOB", "VOB", "D_WIND", "D_DPT", "D_PRMSL" ];
 
diff --git a/scripts/config/PB2NCConfig_G212 b/scripts/config/PB2NCConfig_G212
index a89ab486ea..5836727a79 100644
--- a/scripts/config/PB2NCConfig_G212
+++ b/scripts/config/PB2NCConfig_G212
@@ -73,7 +73,7 @@ level_category = [];
 
 //
 // BUFR variable names to retain or derive.
-// If emtpy, process all available variables.
+// If empty, process all available variables.
 //
 obs_bufr_var = [ "QOB", "TOB", "ZOB", "UOB", "VOB",
                  "D_DPT", "D_WIND", "D_RH", "D_MIXR" ];