diff --git a/src/target/arm926ejs.c b/src/target/arm926ejs.c
index 4ac92a249..e099919b5 100644
--- a/src/target/arm926ejs.c
+++ b/src/target/arm926ejs.c
@@ -757,7 +757,7 @@ static int arm926ejs_mmu(struct target *target, int *enabled)
 static const struct command_registration arm926ejs_exec_command_handlers[] = {
 	{
 		.name = "cache_info",
-		.handler = &arm926ejs_handle_cache_info_command,
+		.handler = arm926ejs_handle_cache_info_command,
 		.mode = COMMAND_EXEC,
 		.help = "display information about target caches",
 
diff --git a/src/target/arm9tdmi.c b/src/target/arm9tdmi.c
index ae0c4e05e..823e962ed 100644
--- a/src/target/arm9tdmi.c
+++ b/src/target/arm9tdmi.c
@@ -918,7 +918,9 @@ static const struct command_registration arm9tdmi_exec_command_handlers[] = {
 		.name = "vector_catch",
 		.handler = handle_arm9tdmi_catch_vectors_command,
 		.mode = COMMAND_EXEC,
-		.usage = "[all|none|reset|undef|swi|pabt|dabt|irq|fiq] ...",
+		.help = "Display, after optionally updating, configuration "
+			"of vector catch unit.",
+		.usage = "[all|none|(reset|undef|swi|pabt|dabt|irq|fiq)*]",
 	},
 	COMMAND_REGISTRATION_DONE
 };
diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c
index 1c4923b9d..c7b73676a 100644
--- a/src/target/armv4_5.c
+++ b/src/target/armv4_5.c
@@ -928,22 +928,22 @@ static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 static const struct command_registration arm_exec_command_handlers[] = {
 	{
 		.name = "reg",
-		.handler = &handle_armv4_5_reg_command,
+		.handler = handle_armv4_5_reg_command,
 		.mode = COMMAND_EXEC,
 		.help = "display ARM core registers",
 	},
 	{
 		.name = "core_state",
-		.handler = &handle_armv4_5_core_state_command,
+		.handler = handle_armv4_5_core_state_command,
 		.mode = COMMAND_EXEC,
-		.usage = "<arm | thumb>",
+		.usage = "['arm'|'thumb']",
 		.help = "display/change ARM core state",
 	},
 	{
 		.name = "disassemble",
-		.handler = &handle_armv4_5_disassemble_command,
+		.handler = handle_armv4_5_disassemble_command,
 		.mode = COMMAND_EXEC,
-		.usage = "<address> [<count> ['thumb']]",
+		.usage = "address [count ['thumb']]",
 		.help = "disassemble instructions ",
 	},
 	{