diff --git a/src/commands/CmdShell.cpp b/src/commands/CmdShell.cpp
index 09e17d500..7ae17ad9b 100644
--- a/src/commands/CmdShell.cpp
+++ b/src/commands/CmdShell.cpp
@@ -25,6 +25,8 @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 
+#define L10N                                           // Localization complete.
+
 #include <iostream>
 #include <algorithm>
 #include <Color.h>
@@ -52,9 +54,9 @@ int CmdShell::execute (std::string&)
   Color bold (Color::nocolor, Color::nocolor, false, true, false);
   std::cout << (context.color () ? bold.colorize (PACKAGE_STRING) : PACKAGE_STRING)
             << " shell\n\n"
-            << "Enter any task command (such as 'list'), or hit 'Enter'.\n"
-            << "There is no need to include the 'task' command itself.\n"
-            << "Enter 'quit' (or 'bye', 'exit') to end the session.\n\n";
+            << STRING_CMD_SHELL_HELP1 << "\n"
+            << STRING_CMD_SHELL_HELP2 << "\n"
+            << STRING_CMD_SHELL_HELP3 << "\n\n";
 
   // Make a copy because context.clear will delete them.
   std::string permanent_overrides;
@@ -116,7 +118,7 @@ int CmdShell::execute (std::string&)
 
       catch (...)
       {
-        std::cerr << "Unknown error." << "\n";
+        std::cerr << STRING_UNKNOWN_ERROR << "\n";
       }
     }
   }
diff --git a/src/en-US.h b/src/en-US.h
index 1efe3422b..9f4f76491 100644
--- a/src/en-US.h
+++ b/src/en-US.h
@@ -316,6 +316,9 @@
 #define STRING_CMD_IMPORT_BAD_ATT    "Unrecognized attribute '{1}'"
 #define STRING_CMD_IMPORT_NOT_JSON   "Not a JSON object: {1}"
 #define STRING_CMD_SHELL_USAGE       "Launches an interactive shell"
+#define STRING_CMD_SHELL_HELP1       "Enter any task command (such as 'list'), or hit 'Enter'."
+#define STRING_CMD_SHELL_HELP2       "There is no need to include the 'task' command itself."
+#define STRING_CMD_SHELL_HELP3       "Enter 'quit' (or 'bye', 'exit') to end the session."
 #define STRING_CMD_SYNCH_USAGE       "(Not implemented for 2.0.0beta2)"
 #define STRING_CMD_DIAG_USAGE        "Shows information needed when reporting a problem."
 #define STRING_CMD_DIAG_PLATFORM     "Platform"