diff --git a/src/bin_node/node_reconstruct_command.ml b/src/bin_node/node_reconstruct_command.ml
index 83cab0da029aa5c2912c3f09e616cce0ec52acde..14b61b649a82022423458fc9f0748568e13c410b 100644
--- a/src/bin_node/node_reconstruct_command.ml
+++ b/src/bin_node/node_reconstruct_command.ml
@@ -150,7 +150,7 @@ module Manpage = struct
       `S "EXAMPLES";
       `I
         ( "$(b,Reconstruct the storage of a full mode node )",
-          "./tezos-node reconstruct" );
+          "./octez-node reconstruct" );
     ]
 
   let man = description @ options @ examples @ Shared_arg.Manpage.bugs
diff --git a/src/bin_node/node_upgrade_command.ml b/src/bin_node/node_upgrade_command.ml
index 5a3bf1be46c74ac95c91a31906ed113de73a9384..d9d6155f0cba1355348ad470a5ec74fe3ced4e40 100644
--- a/src/bin_node/node_upgrade_command.ml
+++ b/src/bin_node/node_upgrade_command.ml
@@ -72,7 +72,7 @@ module Term = struct
             Lwt_lock_file.try_with_lock
               ~when_locked:(fun () ->
                 failwith
-                  "Failed to lock the data directory '%s'. Is a `tezos-node` \
+                  "Failed to lock the data directory '%s'. Is a `octez-node` \
                    running?"
                   data_dir)
               ~filename:(Data_version.lock_file data_dir)
diff --git a/src/bin_proxy_server/main_proxy_server.ml b/src/bin_proxy_server/main_proxy_server.ml
index da1cb38b9bb50b7df8ff2a811ad8564f88827909..079f06cb8a3986072982fcf7ffc84ba798c6ef68 100644
--- a/src/bin_proxy_server/main_proxy_server.ml
+++ b/src/bin_proxy_server/main_proxy_server.ml
@@ -90,7 +90,7 @@ let rpc_tls : string option Term.t =
 
 let data_dir : string option Term.t =
   let doc =
-    "Path to the data-dir of a running tezos-node, for reading the `context` \
+    "Path to the data-dir of a running octez-node, for reading the `context` \
      subdirectory to obtain data instead of using the ../raw/bytes RPC (hereby \
      reducing the node's IO)."
   in
diff --git a/src/lib_node_config/data_version.ml b/src/lib_node_config/data_version.ml
index 60f22c05fad1b0f6a77050e1429b70f2f2944fc1..7a148cf4b54b31f294d623976e099eccf8e7e21d 100644
--- a/src/lib_node_config/data_version.ml
+++ b/src/lib_node_config/data_version.ml
@@ -251,7 +251,7 @@ let () =
         ppf
         "The data directory version is too old.@,\
          Found '%a', expected '%a'.@,\
-         It needs to be upgraded with `tezos-node upgrade storage`."
+         It needs to be upgraded with `octez-node upgrade storage`."
         Version.pp
         got
         Version.pp
diff --git a/src/lib_node_config/shared_arg.ml b/src/lib_node_config/shared_arg.ml
index 6e2eb3fcf5db5ad9dcd1862bbaabb6692460f17e..0bdd7cd638702a2ebf6c17965cbd73440d71d233 100644
--- a/src/lib_node_config/shared_arg.ml
+++ b/src/lib_node_config/shared_arg.ml
@@ -707,7 +707,7 @@ let () =
       Format.fprintf
         ppf
         "@[Specified@ --network@ has@ chain@ name@ %s,@ but@ current@ \
-         configuration@ implies@ expected@ chain@ name@ %s.@ Use:@ tezos-node \
+         configuration@ implies@ expected@ chain@ name@ %s.@ Use:@ octez-node \
          config init --network <NETWORK>@ to@ configure@ your@ node.@]"
         command_line_chain_name
         configuration_file_chain_name)
diff --git a/src/lib_shell_services/validation_errors.ml b/src/lib_shell_services/validation_errors.ml
index 596f91b897a1c1834f7b69842d8f8f0c26d67645..86b4c95a87d6350283e35c2be8e2a9ba8a5b960f 100644
--- a/src/lib_shell_services/validation_errors.ml
+++ b/src/lib_shell_services/validation_errors.ml
@@ -141,7 +141,7 @@ let () =
     ~title:"Bad data directory"
     ~description:
       "The data directory could not be read. This could be because it was \
-       generated with an old version of the tezos-node program. Deleting and \
+       generated with an old version of the octez-node program. Deleting and \
        regenerating this directory may fix the problem."
     ~pp:(fun ppf () -> Format.fprintf ppf "Bad data directory.")
     Data_encoding.empty
diff --git a/src/lib_stdlib_unix/lwt_log_sink_unix.ml b/src/lib_stdlib_unix/lwt_log_sink_unix.ml
index 231554b7ae91de22ef3c17c02bafe808765effb7..04f61096578e41382a6dbc7be986ed8cbfaf0b9e 100644
--- a/src/lib_stdlib_unix/lwt_log_sink_unix.ml
+++ b/src/lib_stdlib_unix/lwt_log_sink_unix.ml
@@ -152,7 +152,7 @@ let cfg_encoding =
           "rules"
           ~description:
             "Fine-grained logging instructions. Same format as described in \
-             `tezos-node run --help`, DEBUG section. In the example below, \
+             `octez-node run --help`, DEBUG section. In the example below, \
              sections 'p2p' and all sections starting by 'client' will have \
              their messages logged up to the debug level, whereas the rest of \
              log sections will be logged up to the notice level."