3 files changed, 4 insertions, 4 deletions
diff --git a/mrbgems/mruby-bin-debugger/mrbgem.rake b/mrbgems/mruby-bin-debugger/mrbgem.rake
index b9d664779..764f431af 100755
--- a/mrbgems/mruby-bin-debugger/mrbgem.rake
+++ b/mrbgems/mruby-bin-debugger/mrbgem.rake
@@ -1,7 +1,7 @@
 MRuby::Gem::Specification.new('mruby-bin-debugger') do |spec|
   spec.license = 'MIT'
   spec.author  = 'mruby developers'
-  spec.summary = 'mruby debuggeer command'
+  spec.summary = 'mruby debugger command'
 
   spec.add_dependency('mruby-eval', :core => 'mruby-eval')
 
diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/cmdmisc.c b/mrbgems/mruby-bin-debugger/tools/mrdb/cmdmisc.c
index b40915909..f52514851 100755
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/cmdmisc.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/cmdmisc.c
@@ -33,7 +33,7 @@ static help_msg help_msg_list[] = {
     "\n"
     "Continue program stopped by a breakpoint.\n"
     "If N, which is non negative value, is passed,\n"
-    "proceed program until the N-th breakpoint is comming.\n"
+    "proceed program until the N-th breakpoint is coming.\n"
     "If N is not passed, N is assumed 1.\n"
   },
   {
diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c b/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c
index da235fad8..3e43fdb4a 100755
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c
@@ -222,9 +222,9 @@ mrb_debug_context_free(mrb_state *mrb)
 static mrdb_state*
 mrdb_state_new(mrb_state *mrb)
 {
-  mrdb_state *mrdb = mrb_malloc(mrb, sizeof(mrb_state));
+  mrdb_state *mrdb = mrb_malloc(mrb, sizeof(mrdb_state));
 
-  memset(mrdb, 0, sizeof(mrb_state));
+  memset(mrdb, 0, sizeof(mrdb_state));
 
   mrdb->dbg = mrb_debug_context_get(mrb);
   mrdb->command = mrb_malloc(mrb, MAX_COMMAND_LINE+1);