diff --git a/dvc/command/plots.py b/dvc/command/plots.py
index 7a94222a7..72c236709 100644
--- a/dvc/command/plots.py
+++ b/dvc/command/plots.py
@@ -95,7 +95,7 @@ class CmdPlotsModify(CmdPlots):
 def add_parser(subparsers, parent_parser):
     PLOTS_HELP = (
         "Commands to visualize and compare plot metrics in structured files "
-        "(JSON, YAML, CSV, TSV)"
+        "(JSON, YAML, CSV, TSV)."
     )
 
     plots_parser = subparsers.add_parser(
diff --git a/dvc/command/unprotect.py b/dvc/command/unprotect.py
index e066dc493..f14d0b748 100644
--- a/dvc/command/unprotect.py
+++ b/dvc/command/unprotect.py
@@ -23,7 +23,7 @@ class CmdUnprotect(CmdBase):
 def add_parser(subparsers, parent_parser):
     UNPROTECT_HELP = (
         "Unprotect tracked files or directories (when hardlinks or symlinks "
-        "have been enabled with `dvc config cache.type`)"
+        "have been enabled with `dvc config cache.type`)."
     )
     unprotect_parser = subparsers.add_parser(
         "unprotect",