diff --git a/dvc/command/data_sync.py b/dvc/command/data_sync.py
index ab99bf3ae2..e44e8ea7aa 100644
--- a/dvc/command/data_sync.py
+++ b/dvc/command/data_sync.py
@@ -195,8 +195,10 @@ def add_parser(subparsers, _parent_parser):
     push_parser.set_defaults(func=CmdDataPush)
 
     # Fetch
-    FETCH_HELP = "Get tracked files or directories from remote storage"
-    " into the cache."
+    FETCH_HELP = (
+        "Get tracked files or directories from remote storage"
+        " into the cache."
+    )
 
     fetch_parser = subparsers.add_parser(
         "fetch",
diff --git a/dvc/command/diff.py b/dvc/command/diff.py
index 804e65fd80..c907fc0dff 100644
--- a/dvc/command/diff.py
+++ b/dvc/command/diff.py
@@ -121,7 +121,7 @@ def run(self):
 def add_parser(subparsers, parent_parser):
     DIFF_DESCRIPTION = (
         "Show changes between commits in the DVC repository,"
-        " or between a commit and the workspace."
+        " or between a commit and the workspace. "
         "Prints the list of paths added, modified, or deleted."
     )
     diff_parser = subparsers.add_parser(
diff --git a/dvc/command/repro.py b/dvc/command/repro.py
index 63f532f4e0..138de04fea 100644
--- a/dvc/command/repro.py
+++ b/dvc/command/repro.py
@@ -57,8 +57,9 @@ def run(self):
 
 
 def add_parser(subparsers, parent_parser):
-    REPRO_HELP = "Reproduce complete or partial pipelines"
-    " by executing their stages."
+    REPRO_HELP = (
+        "Reproduce complete or partial pipelines by executing their stages."
+    )
     repro_parser = subparsers.add_parser(
         "repro",
         parents=[parent_parser],
diff --git a/dvc/command/version.py b/dvc/command/version.py
index 8356cb402b..f110d68ea4 100644
--- a/dvc/command/version.py
+++ b/dvc/command/version.py
@@ -142,9 +142,9 @@ def _get_dvc_repo_info(repo):
 
 
 def add_parser(subparsers, parent_parser):
-    VERSION_HELP = "Display the DVC version"
-    " and system/environment information."
-
+    VERSION_HELP = (
+        "Display the DVC version and system/environment information."
+    )
     version_parser = subparsers.add_parser(
         "version",
         parents=[parent_parser],