diff --git a/src/guc.c b/src/guc.c
index 060ae15aae3..978460b542f 100644
--- a/src/guc.c
+++ b/src/guc.c
@@ -1135,9 +1135,9 @@ _guc_init(void)
 
 	DefineCustomEnumVariable(MAKE_EXTOPTION("default_hypercore_use_access_method"),
 							 gettext_noop(
-								 "Whether to use access method for compression by default."),
+								 "Enable to always use Hypercore TAM when compressing."),
 							 gettext_noop(
-								 "Sets the global default for compression technique to use."),
+								 "Sets the global default for using Hypercore TAM when compressing chunks."),
 							 &ts_guc_default_hypercore_use_access_method,
 							 USE_AM_NULL,
 							 /* options= */ useam_options,