4 files changed, 5 insertions, 6 deletions
diff --git a/mrbgems/mruby-bin-debugger/bintest/print.rb b/mrbgems/mruby-bin-debugger/bintest/print.rb
index 4a4339f5a..63ebded3e 100644
--- a/mrbgems/mruby-bin-debugger/bintest/print.rb
+++ b/mrbgems/mruby-bin-debugger/bintest/print.rb
@@ -264,7 +264,7 @@ SRC
   BinTest_MrubyBinDebugger.test(src, tc)
 end
 
-assert('mruby-bin-debugger(print) same name:instance variabe') do
+assert('mruby-bin-debugger(print) same name:instance variable') do
   # ruby source (bp is break point)
   src = <<"SRC"
 @iv = 'top'
@@ -296,7 +296,7 @@ SRC
   BinTest_MrubyBinDebugger.test(src, tc)
 end
 
-# Kernel#instance_eval(string) does't work const.
+# Kernel#instance_eval(string) doesn't work const.
 =begin
 assert('mruby-bin-debugger(print) same name:const') do
   # ruby source (bp is break point)
diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/cmdmisc.c b/mrbgems/mruby-bin-debugger/tools/mrdb/cmdmisc.c
index db28e4229..a05ff9415 100644
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/cmdmisc.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/cmdmisc.c
@@ -502,7 +502,7 @@ dbgcmd_quit(mrb_state *mrb, mrdb_state *mrdb)
   if (mrdb->dbg->xm == DBG_QUIT) {
     struct RClass *exc;
     exc = mrb_define_class(mrb, "DebuggerExit", mrb->eException_class);
-    mrb_raise(mrb, exc, "Exit mrdb.");
+    mrb_raise(mrb, exc, "Exit mrdb");
   }
   return DBGST_PROMPT;
 }
diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/cmdrun.c b/mrbgems/mruby-bin-debugger/tools/mrdb/cmdrun.c
index 233c86cef..fe8cf0aa7 100644
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/cmdrun.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/cmdrun.c
@@ -18,9 +18,9 @@ dbgcmd_run(mrb_state *mrb, mrdb_state *mrdb)
     dbg->xm = DBG_QUIT;
     if (dbg->xphase == DBG_PHASE_RUNNING){
       struct RClass *exc;
-      puts("Start it from the beginning.");
+      puts("Start it from the beginning");
       exc = mrb_define_class(mrb, "DebuggerRestart", mrb->eException_class);
-      mrb_raise(mrb, exc, "Restart mrdb.");
+      mrb_raise(mrb, exc, "Restart mrdb");
     }
   }
 
diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/mrdberror.h b/mrbgems/mruby-bin-debugger/tools/mrdb/mrdberror.h
index c7812b0d6..6f1a53f3d 100644
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/mrdberror.h
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/mrdberror.h
@@ -17,4 +17,3 @@
 #define MRB_DEBUG_BREAK_NO_OVER        (-15)
 
 #endif
-