diff --git a/definitions/grib2/tables/25/4.2.4.2.table b/definitions/grib2/tables/25/4.2.4.2.table
index 8dd05fcda..5f8dd4750 100644
--- a/definitions/grib2/tables/25/4.2.4.2.table
+++ b/definitions/grib2/tables/25/4.2.4.2.table
@@ -7,7 +7,7 @@
 5 5 HF absorption frequency (Hz)
 6 6 HF absorption (dB)
 7 7 Spread F (m)
-8 8 h’ (m)
+8 8 h'F (m)
 9 9 Critical frequency (Hz)
 10 10 Maximal usable frequency (MUF) (Hz)
 11 11 Peak height (hm) (m)
diff --git a/definitions/grib2/tables/26/4.2.4.2.table b/definitions/grib2/tables/26/4.2.4.2.table
index 8dd05fcda..5f8dd4750 100644
--- a/definitions/grib2/tables/26/4.2.4.2.table
+++ b/definitions/grib2/tables/26/4.2.4.2.table
@@ -7,7 +7,7 @@
 5 5 HF absorption frequency (Hz)
 6 6 HF absorption (dB)
 7 7 Spread F (m)
-8 8 h’ (m)
+8 8 h'F (m)
 9 9 Critical frequency (Hz)
 10 10 Maximal usable frequency (MUF) (Hz)
 11 11 Peak height (hm) (m)
diff --git a/definitions/grib2/tables/27/4.2.4.2.table b/definitions/grib2/tables/27/4.2.4.2.table
index 379b235ad..9430e193f 100644
--- a/definitions/grib2/tables/27/4.2.4.2.table
+++ b/definitions/grib2/tables/27/4.2.4.2.table
@@ -7,7 +7,7 @@
 5 5 HF absorption frequency (Hz)
 6 6 HF absorption (dB)
 7 7 Spread F (m)
-8 8 h’ (m)
+8 8 h'F (m)
 9 9 Critical frequency (Hz)
 10 10 Maximal usable frequency (MUF) (Hz)
 11 11 Peak height (hm) (m)