diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index f0662ff..4227f31 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -35088,8 +35088,13 @@ default shows this information when you start an interactive session.
  -info-gdb-mi-command @var{cmd_name}
 @end smallexample
 
-Query support for the @sc{gdb/mi} command named @var{cmd_name}
-(the leading dash (@code{-}) in the command name should be omitted).
+Query support for the @sc{gdb/mi} command named @var{cmd_name}.
+
+Note that the dash (@code{-}) starting all @sc{gdb/mi} commands
+is technically not part of the command name (@pxref{GDB/MI Input
+Syntax}), and thus should be omitted in @var{cmd_name}.  However,
+for ease of use, this command also accepts the form with the leading
+dash.
 
 @subsubheading @value{GDBN} Command
 
@@ -35120,6 +35120,7 @@ Here is an example where the @sc{gdb/mi} command does not exist:
 ^done,command=@{exists="false"@}
 @end smallexample
 
+@noindent
 And here is an example where the @sc{gdb/mi} command is known
 to the debugger:
 
diff --git a/gdb/mi/mi-cmd-info.c b/gdb/mi/mi-cmd-info.c
index 18f4927..0fce25a 100644
--- a/gdb/mi/mi-cmd-info.c
+++ b/gdb/mi/mi-cmd-info.c
@@ -85,6 +85,14 @@ mi_cmd_info_gdb_mi_command (char *command, char **argv, int argc)
   if (argc != 1)
     error (_("Usage: -info-gdb-mi-command MI_COMMAND_NAME"));
   cmd_name = argv[0];
+
+  /* Normally, the command name (aka the "operation" in the GDB/MI
+     grammar), does not include the leading '-' (dash).  But for
+     the user's convenience, allow the user to specify the command
+     name to be with or without that leading dash.  */
+  if (cmd_name[0] == '-')
+    cmd_name++;
+
   cmd = mi_lookup (cmd_name);
 
   old_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "command");
diff --git a/gdb/testsuite/gdb.mi/mi-i-cmd.exp b/gdb/testsuite/gdb.mi/mi-i-cmd.exp
index 5285d31..d460559 100644
--- a/gdb/testsuite/gdb.mi/mi-i-cmd.exp
+++ b/gdb/testsuite/gdb.mi/mi-i-cmd.exp
@@ -31,7 +31,16 @@ mi_gdb_test "-info-gdb-mi-command unsupported-command" \
             "\\^done,command=\\\{exists=\"false\"\\\}" \
             "-info-gdb-mi-command unsupported-command"
 
+# Same test as above, but including the leading '-' in the command name.
+mi_gdb_test "-info-gdb-mi-command -unsupported-command" \
+            "\\^done,command=\\\{exists=\"false\"\\\}" \
+            "-info-gdb-mi-command -unsupported-command"
+
 mi_gdb_test "-info-gdb-mi-command symbol-list-lines" \
             "\\^done,command=\\\{exists=\"true\"\\\}" \
             "-info-gdb-mi-command symbol-list-lines"
 
+# Same test as above, but including the leading '-' in the command name.
+mi_gdb_test "-info-gdb-mi-command -symbol-list-lines" \
+            "\\^done,command=\\\{exists=\"true\"\\\}" \
+            "-info-gdb-mi-command -symbol-list-lines"