AP_ICEngine: minor format and typo fixes

libraries/AP_ICEngine/AP_ICEngine.cpp

@@ -24,7 +24,7 @@ const AP_Param::GroupInfo AP_ICEngine::var_info[] = {
 
     // @Param: ENABLE
     // @DisplayName: Enable ICEngine control
-    // @Description: This enables internal combusion engine control
+    // @Description: This enables internal combustion engine control
     // @Values: 0:Disabled, 1:Enabled
     // @User: Advanced
     AP_GROUPINFO_FLAGS("ENABLE", 0, AP_ICEngine, enable, 0, AP_PARAM_FLAG_ENABLE),
@@ -54,7 +54,7 @@ const AP_Param::GroupInfo AP_ICEngine::var_info[] = {
 
     // @Param: RPM_THRESH
     // @DisplayName: RPM threshold
-    // @Description: This is the measured RPM above which tne engine is considered to be running
+    // @Description: This is the measured RPM above which the engine is considered to be running
     // @User: Standard
     // @Range: 100 100000
     AP_GROUPINFO("RPM_THRESH", 4, AP_ICEngine, rpm_threshold, 100),