diff --git a/src/options/signals.rs b/src/options/signals.rs
index 7cdc614..c107c74 100644
--- a/src/options/signals.rs
+++ b/src/options/signals.rs
@@ -9,6 +9,19 @@ use tokio::{
 
 type SendersVec = Arc<Vec<Arc<mpsc::Sender<u8>>>>;
 
+/// # Fn set_valid_destructor
+/// ## for initializing process of unstoppable grubbing metrics.
+/// 
+/// *input*      : `Result<()>`
+///
+/// *output*     : `Err` if it cant create signals listeners | `Ok` on returning Monitor 
+///
+/// *initiator*  : main thread
+///
+/// *managing*   : `Arc<Vec<Arc<mpsc::Sender<u8>>>>`
+///
+/// *depends on* : Sig, Signals
+/// 
 pub async fn set_valid_destructor(senders: SendersVec) -> Result<(), CustomError> {
     let (mut int, mut term, mut stop) = (
         Sig::new(Signals::Sigint, senders.clone()),
@@ -23,16 +36,30 @@ pub async fn set_valid_destructor(senders: SendersVec) -> Result<(), CustomError
     }
     Ok(())
 }
+/// # Enum Signals
+/// ## for instancing each managed system signals (such as SIGINT)
+/// 
+/// > (element needed in Sig constructor's signature)
+/// 
+/// *depends on* : -
 enum Signals {
     Sigint,
     Sigterm,
     Sigstop,
 }
+
+/// # Struct Signals
+/// ## for instancing each managed system signals (such as SIGINT)
+/// 
+/// > (needed to construct system signals listener)
+/// 
+/// *depends on* : Signals
 struct Sig {
     signal: Signal,
     sig_type: Signals,
     senders: SendersVec,
 }
+/// ## default Sig's constructor
 impl Sig {
     fn new(signal_type: Signals, sends: SendersVec) -> Self {
         Sig {
@@ -42,6 +69,9 @@ impl Sig {
         }
     }
 }
+/// ## trait Display realization for returning String-name of signal
+/// 
+/// > (needed in logs)
 impl std::fmt::Display for Signals {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         match self {
@@ -51,6 +81,7 @@ impl std::fmt::Display for Signals {
         }
     }
 }
+/// ## associated func to init signals listener
 impl Signals {
     fn get_signal(&self) -> io::Result<Signal> {
         match self {
@@ -60,9 +91,20 @@ impl Signals {
         }
     }
 }
+/// # Trait SigPostProcessing 
+/// ## to handle post-processing jobs after getting system signal
+/// 
+/// ## > (needed in signals post-processing)
+/// 
 trait SigPostProcessing {
     async fn post_processing(&mut self) -> io::Result<()>;
 }
+
+/// # Trait SigPostProcessing realization for Sig struct 
+/// ## to deinitialize Monitor correctly after getting signal
+/// 
+/// ## > (needed in signals post-processing)
+/// 
 impl SigPostProcessing for Sig {
     async fn post_processing(&mut self) -> io::Result<()> {
         // manipulations ...
diff --git a/src/utils/metrics.rs b/src/utils/metrics.rs
index 9b736d4..65a2e7b 100644
--- a/src/utils/metrics.rs
+++ b/src/utils/metrics.rs
@@ -17,15 +17,15 @@ use crate::utils::get_container_id;
 /// # Fn init_metrics_grubber
 /// ## for initializing process of unstoppable grubbing metrics.
 /// 
-/// `input`      : vec of processes
+/// *input*      : `Result<()>`
 ///
-/// `output`     : Err if it cant create grubbers | Ok on finish
+/// *output*     : `Err` if it cant create grubbers | `Ok` on finish
 ///
-/// `initiator`  : main thread
+/// *initiator*  : main thread
 ///
-/// `managing`   : object of unix-socket reader 
+/// *managing*   : object of unix-socket reader 
 ///
-/// `depends on` : network activity  
+/// *depends on* : network activity  
 /// 
 pub async fn init_metrics_grubber() { 
     let mut system = System::new();