diff --git a/src/include/timing.h b/src/include/timing.h
index c7912e6..a1ac309 100644
--- a/src/include/timing.h
+++ b/src/include/timing.h
@@ -18,8 +18,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef INCULUDE_TIMING_H
-#define INCULUDE_TIMING_H
+#ifndef INCLUDE_TIMING_H
+#define INCLUDE_TIMING_H
 
 struct platform_timeout {
 	uint32_t time;
@@ -28,4 +28,4 @@ struct platform_timeout {
 extern int32_t swj_delay_cnt;
 uint32_t platform_time_ms(void);
 
-#endif /* INCULUDE_TIMING_H */
+#endif /* INCLUDE_TIMING_H */
diff --git a/src/platforms/hosted/bmp_remote.h b/src/platforms/hosted/bmp_remote.h
index 4414923..52bf8d0 100644
--- a/src/platforms/hosted/bmp_remote.h
+++ b/src/platforms/hosted/bmp_remote.h
@@ -17,8 +17,8 @@
  * along with this program.	 If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef PLATFORMS_HOSTED_BMP_REMOTE_H_
-#define PLATFORMS_HOSTED_BMP_REMOTE_H_
+#ifndef PLATFORMS_HOSTED_BMP_REMOTE_H
+#define PLATFORMS_HOSTED_BMP_REMOTE_H
 
 #include "jtagtap.h"
 #include "adiv5.h"
diff --git a/src/target/gdb_reg.h b/src/target/gdb_reg.h
index 5661e40..c36d16d 100644
--- a/src/target/gdb_reg.h
+++ b/src/target/gdb_reg.h
@@ -52,4 +52,4 @@ typedef enum gdb_reg_save_restore {
 // The strings for the "save-restore" field of a register tag, respective to its gdb_reg_save_restore_e value.
 extern const char *gdb_reg_save_restore_strings[];
 
-#endif
+#endif /* TARGET_GDB_REG_H */