diff --git a/src/nasal_dbg.cpp b/src/nasal_dbg.cpp
index cc1bc9c..0f7d9e8 100644
--- a/src/nasal_dbg.cpp
+++ b/src/nasal_dbg.cpp
@@ -46,7 +46,7 @@ void operand_line_counter::dump_operand_count() const {
         if (!rate) {
             break;
         }
-        std::clog << " " << oprand_name_table[i.first] << " : ";
+        std::clog << " " << operand_name_table[i.first] << " : ";
         std::clog << i.second << " (" << rate << "%)\n";
     }
     std::clog << " total  : " << total << '\n';
diff --git a/src/nasal_lexer.h b/src/nasal_lexer.h
index a0e41cd..2286504 100644
--- a/src/nasal_lexer.h
+++ b/src/nasal_lexer.h
@@ -192,7 +192,7 @@ public:
              filename(""), res(""),
              invalid_char(0) {}
     const error& scan(const std::string&);
-    const std::vector<token>& result() const {return toks;}
+    const auto& result() const {return toks;}
 };
 
 }
diff --git a/src/nasal_opcode.cpp b/src/nasal_opcode.cpp
index c3bc7ad..2b227bf 100644
--- a/src/nasal_opcode.cpp
+++ b/src/nasal_opcode.cpp
@@ -3,7 +3,7 @@
 
 namespace nasal {
 
-const char* oprand_name_table[] = {
+const char* operand_name_table[] = {
     "exit  ",
     "repl  ",
     "intl  ",
@@ -124,7 +124,7 @@ void codestream::dump(std::ostream& out) const {
     }
 
     // dump operand name
-    out << "    " << oprand_name_table[op] << "  ";
+    out << "    " << operand_name_table[op] << "  ";
 
     switch(op) {
         case op_addeq:
diff --git a/src/nasal_opcode.h b/src/nasal_opcode.h
index 8d3e06a..98d7a8a 100644
--- a/src/nasal_opcode.h
+++ b/src/nasal_opcode.h
@@ -128,6 +128,6 @@ public:
 
 std::ostream& operator<<(std::ostream&, const codestream&);
 
-extern const char* oprand_name_table[];
+extern const char* operand_name_table[];
 
 }
\ No newline at end of file