diff --git a/.gitignore b/.gitignore
index 6b436743..8856848f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -102,3 +102,5 @@ conan/
 # Bazel builds with four directories, see for info:
 # https://bazel.build/remote/output-directories
 bazel-*
+bazel
+output
\ No newline at end of file
diff --git a/README.md b/README.md
index ce921c22..26015fd8 100644
--- a/README.md
+++ b/README.md
@@ -90,7 +90,7 @@ Check out [examples](examples) folder for interesting code examples that will he
 #### `hcasm` (hASM assembler)
 
 ```bash
-$ ./hcasm [-h] [--help] [--version] [-o VAR] [-c] [-v VAR] source
+$ ./hcasm [-h] [--help] [--version] [-o VAR] [-c] [-V VAR] source
 ```
 
 * `source` — source code file to be compiled.
@@ -98,7 +98,7 @@ $ ./hcasm [-h] [--help] [--version] [-o VAR] [-c] [-v VAR] source
 * `--version` — display program version and exit.
 * `-o VAR` — specify output binary file name.
 * `-c` — generate an object file.
-* `-v VAR` — specify verbosity level (`debug`, `info`, `warning`, `error`). Default value is `warning`.
+* `-V VAR` — specify verbosity level (`debug`, `info`, `warning`, `error`). Default value is `warning`.
 
 #### `hcemul` (hCPU emulator)
 
diff --git a/src/Assembler/Main.cpp b/src/Assembler/Main.cpp
index 26452e4b..b0c4bce9 100644
--- a/src/Assembler/Main.cpp
+++ b/src/Assembler/Main.cpp
@@ -36,7 +36,7 @@ int main(int argc, char** argv) {
       .help("compile to object file")
       .default_value(false)
       .implicit_value(true);
-  program.add_argument("-v")
+  program.add_argument("-V")
       .default_value(std::string{"warning"})
       .help("set verbosity level. possible modes:\n- debug\n- info\n- warning\n- error");