diff --git a/radio/src/datastructs.h b/radio/src/datastructs.h
index a5c579193..e41a7b2a5 100644
--- a/radio/src/datastructs.h
+++ b/radio/src/datastructs.h
@@ -367,7 +367,7 @@ PACK(struct FlightModeData {
 PACK(struct CurveData {
   uint8_t type:1;
   uint8_t smooth:1;
-  int8_t  points:6; // TODO conversion (?!)  (describes number of points - 5)
+  int8_t  points:6;   // describes number of points - 5
   NOBACKUP(char name[LEN_CURVE_NAME]);
 });
 #else
diff --git a/radio/src/lua/api_general.cpp b/radio/src/lua/api_general.cpp
index 55d68cb66..62cbf98bd 100644
--- a/radio/src/lua/api_general.cpp
+++ b/radio/src/lua/api_general.cpp
@@ -56,11 +56,11 @@ Return OpenTX version
 
 @retval multiple (available since 2.1.7) returns 5 values:
  * (string) OpenTX version (ie "2.1.5")
- * (string) radio version: `taranisx9e`, `taranisplus` or `taranis`.
+ * (string) radio version: `x9e`, `x9d+` or `x9d`.
 If running in simulator the "-simu" is added
  * (number) major version (ie 2 if version 2.1.5)
  * (number) minor version (ie 1 if version 2.1.5)
- * (number) revison number (ie 5 if version 2.1.5)
+ * (number) revision number (ie 5 if version 2.1.5)
 
 @status current Introduced in 2.0.0, expanded in 2.1.7
 
@@ -108,6 +108,9 @@ Return the time since the radio was started in multiple of 10ms
 @retval number Number of 10ms ticks since the radio was started Example:
 run time: 12.54 seconds, return value: 1254
 
+The timer internally uses a 32-bit counter which is enough for 30year so
+overflows will not happen.
+
 @status current Introduced in 2.0.0
 */
 static int luaGetTime(lua_State * L)
@@ -304,7 +307,9 @@ bool luaFindFieldByName(const char * name, LuaField & field, unsigned int flags)
 /*luadoc
 @function sportTelemetryPop()
 
-Pops a received SPORT packet from the queue. Please note that only packets using a data ID within 0x5000 to 0x52FF (frame ID == 0x10), as well as packets with a frame ID equal 0x32 (regardless of the data ID) will be passed to the LUA telemetry receive queue.
+Pops a received SPORT packet from the queue. Please note that only packets using a data ID within 0x5000 to 0x52FF
+(frame ID == 0x10), as well as packets with a frame ID equal 0x32 (regardless of the data ID) will be passed to
+the LUA telemetry receive queue.
 
 @retval SPORT paket as a quadruple:
  * sensor ID (number)
diff --git a/radio/src/lua/api_model.cpp b/radio/src/lua/api_model.cpp
index a71b03b68..1394b433d 100644
--- a/radio/src/lua/api_model.cpp
+++ b/radio/src/lua/api_model.cpp
@@ -874,7 +874,7 @@ The first and last x value must 0 and 100 and x values must be monotonically inc
          7 - extra values for y are set
          8 - extra values for x are set
 
-@status current Introduced in 2.2.1
+@status current Introduced in 2.2.0
 
 Example setting a 4-point custom curve:
 ```lua