diff --git a/include/hamlib/rotator.h b/include/hamlib/rotator.h
index 0cff22674..52f22f135 100644
--- a/include/hamlib/rotator.h
+++ b/include/hamlib/rotator.h
@@ -238,7 +238,7 @@ typedef enum {
  */
 enum rot_level_e {
     ROT_LEVEL_NONE =        0,              /*!< '' -- No Level */
-    ROT_LEVEL_SPEED =       (1 << 0),       /*!< \c SPEED -- Rotation speed, arg int (1-100) */
+    ROT_LEVEL_SPEED =       (1 << 0),       /*!< \c SPEED -- Rotation speed, arg int (default range 1-100 if not specified) */
     ROT_LEVEL_63 =          CONSTANT_64BIT_FLAG(63),      /*!< \c Future use, last level */
 };
 
diff --git a/rigs/dummy/dummy_common.h b/rigs/dummy/dummy_common.h
index 84c9bdc95..eba065383 100644
--- a/rigs/dummy/dummy_common.h
+++ b/rigs/dummy/dummy_common.h
@@ -1,5 +1,5 @@
 /*
- *  Hamlib Dummy backend - shard routines
+ *  Hamlib Dummy backend - shared routines
  *  Copyright (c) 2020 by Mikael Nousiainen
  *
  *