diff --git a/lib/core/core/cli/dbex.rs b/lib/core/core/cli/dbex.rs
index a7e91a6024f11f7f4db867cab77ccc9857b9ae06..2ad18a577e993ec8afbefce026d1e7ab2c880908 100644
--- a/lib/core/core/cli/dbex.rs
+++ b/lib/core/core/cli/dbex.rs
@@ -37,25 +37,25 @@ pub enum DbExSubCommand {
         name = "distance",
         raw(setting = "structopt::clap::AppSettings::ColoredHelp")
     )]
-    /// durs databases explorer (distances datas)
+    /// Web of Trust distances explorer
     DistanceOpt(DistanceOpt),
     #[structopt(
         name = "members",
         raw(setting = "structopt::clap::AppSettings::ColoredHelp")
     )]
-    /// durs databases explorer (members datas)
+    /// Members explorer
     MembersOpt(MembersOpt),
     #[structopt(
         name = "member",
         raw(setting = "structopt::clap::AppSettings::ColoredHelp")
     )]
-    /// durs databases explorer (member datas)
+    /// Member explorer
     MemberOpt(MemberOpt),
     #[structopt(
         name = "balance",
         raw(setting = "structopt::clap::AppSettings::ColoredHelp")
     )]
-    /// durs databases explorer (balances datas)
+    /// Pubkeys’ balances explorer
     BalanceOpt(BalanceOpt),
 }
 
diff --git a/lib/core/core/cli/mod.rs b/lib/core/core/cli/mod.rs
index 0e6cdf6e013a1d0008001be321153317cae1255c..4c9bdddb2e46f1c21b6bcf6d36014166087dcdce 100644
--- a/lib/core/core/cli/mod.rs
+++ b/lib/core/core/cli/mod.rs
@@ -37,11 +37,11 @@ use log::Level;
 /// Rust implementation of Duniter
 pub struct DursOpt {
     #[structopt(short = "p", long = "profile")]
-    /// Set a custom user datas folder
+    /// Set a custom user data folder
     profile_name: Option<String>,
     #[structopt(short = "l", long = "logs", raw(next_line_help = "true"))]
-    /// Set the level of logs verbosity. (Default is INFO).
-    /// Possible values : [OFF, ERROR, WARN, INFO, DEBUG, TRACE]
+    /// Set log level. (Defaults to INFO).
+    /// Available levels: [OFF, ERROR, WARN, INFO, DEBUG, TRACE]
     logs_level: Option<Level>,
     #[structopt(subcommand)]
     /// CoreSubCommand
@@ -52,33 +52,33 @@ pub struct DursOpt {
 /// Core cli subcommands
 pub enum CoreSubCommand {
     #[structopt(name = "enable")]
-    /// Enable some module
+    /// Enable a module
     EnableOpt(EnableOpt),
     #[structopt(name = "disable")]
-    /// Disable some module
+    /// Disable a module
     DisableOpt(DisableOpt),
     #[structopt(name = "modules")]
-    /// list modules
+    /// List available modules
     ListModulesOpt(ListModulesOpt),
     #[structopt(name = "start")]
-    /// start durs server
+    /// Start node
     StartOpt(StartOpt),
     #[structopt(name = "sync")]
-    /// synchronization
+    /// Synchronize
     SyncOpt(SyncOpt),
-    /// reset data or conf or all
+    /// Reset data or conf or all
     #[structopt(
         name = "reset",
         raw(setting = "structopt::clap::AppSettings::ColoredHelp")
     )]
     ResetOpt(ResetOpt),
-    /// durs databases explorer
+    /// Database explorer
     #[structopt(
         name = "dbex",
         raw(setting = "structopt::clap::AppSettings::ColoredHelp")
     )]
     DbExOpt(DbExOpt),
-    /// keys operations
+    /// Keys operations
     #[structopt(
         name = "keys",
         author = "inso <inso@tuta.io>",
diff --git a/lib/core/core/cli/reset.rs b/lib/core/core/cli/reset.rs
index ba5529ff44a755e652540985b91e1317c06ca067..02f24243541332e0cb3b091b743faea4e4d4e102 100644
--- a/lib/core/core/cli/reset.rs
+++ b/lib/core/core/cli/reset.rs
@@ -19,9 +19,9 @@ use crate::cli::InvalidInput;
 use std::str::FromStr;
 
 #[derive(StructOpt, Debug, Copy, Clone)]
-/// start durs server
+/// Reset data or configuration
 pub struct ResetOpt {
-    /// choose type datas to reset
+    /// Kind of data to be reseted: data, conf, all
     pub reset_type: ResetType,
 }
 
@@ -44,7 +44,7 @@ impl FromStr for ResetType {
             "data" => Ok(ResetType::Datas),
             "conf" => Ok(ResetType::Conf),
             "all" => Ok(ResetType::All),
-            _ => Err(InvalidInput("Values accepted are : data, conf, all.")),
+            _ => Err(InvalidInput("Kind of data to be reseted: data, conf, all.")),
         }
     }
 }
diff --git a/lib/modules/blockchain/blockchain/src/dbex.rs b/lib/modules/blockchain/blockchain/src/dbex.rs
index 6cfca059fe7ff64d670762e6325115af91847f82..2c081f62febf7d62726d879a3270a36caf017916 100644
--- a/lib/modules/blockchain/blockchain/src/dbex.rs
+++ b/lib/modules/blockchain/blockchain/src/dbex.rs
@@ -89,7 +89,7 @@ pub fn dbex_tx<DC: DuniterConf>(profile: &str, conf: &DC, _csv: bool, query: &DB
             {
                 pubkey
             } else {
-                println!("This address doesn't exist !");
+                println!("This address doesn't exist!");
                 return;
             };
             let address = UTXOConditionsGroup::Single(TransactionOutputCondition::Sig(pubkey));