diff --git a/info.yaml b/info.yaml
index f292a0b..02502e7 100644
--- a/info.yaml
+++ b/info.yaml
@@ -3,7 +3,7 @@ project:
   title:        "Tiny Shader"      # Project title
   author:       "Leo Moser"      # Your name
   discord:      "mole99"      # Your discord username, for communication and automatically assigning you a Tapeout role (optional)
-  description:  "Tiny Shader allows you to write a small programm of 8 instructions that is executed for each pixel independently on an 80x60 screen."      # One line description of what your project does
+  description:  "With Tiny Shader you can write a small program to create different images and even animations."      # One line description of what your project does
   language:     "SystemVerilog" # other examples include SystemVerilog, Amaranth, VHDL, etc
   clock_hz:     25175000       # Clock frequency in Hz (or 0 if not applicable)
 
@@ -26,7 +26,7 @@ project:
 # The pinout of your project. Leave unused pins blank. DO NOT delete or add any pins.
 pinout:
   # Inputs
-  ui[0]: ""
+  ui[0]: "mode"
   ui[1]: ""
   ui[2]: ""
   ui[3]: ""
@@ -46,10 +46,10 @@ pinout:
   uo[7]: "hsync"
 
   # Bidirectional pins
-  uio[0]: ""
-  uio[1]: ""
-  uio[2]: ""
-  uio[3]: ""
+  uio[0]: "CS"
+  uio[1]: "MOSI"
+  uio[2]: "MISO"
+  uio[3]: "SCK"
   uio[4]: ""
   uio[5]: ""
   uio[6]: ""
diff --git a/sw/assembler.py b/sw/assembler.py
index 54529c9..e09e99b 100644
--- a/sw/assembler.py
+++ b/sw/assembler.py
@@ -28,8 +28,8 @@
     # Boolean operations
     'AND' : {'format': 'dual_operand', 'opcode': '01_00', 'short': 'RA <= RA & RB', 'description': 'Boolean AND of RA and RB, result written into RA.', 'category': 'Boolean'},
     'OR'  : {'format': 'dual_operand', 'opcode': '01_01', 'short': 'RA <= RA | RB', 'description': 'Boolean OR of RA and RB, result written into RA.', 'category': 'Boolean'},
-    'NOT' : {'format': 'dual_operand', 'opcode': '01_10', 'short': 'RA <= ~RB', 'description': 'Boolean NOT of RB, result written into RA.', 'category': 'Boolean'},
-    'XOR' : {'format': 'dual_operand', 'opcode': '01_11', 'short': 'RA <= RA ^ RB', 'description': 'Boolean XOR of RA and RB, result written into RA.', 'category': 'Boolean'},
+    'NOT' : {'format': 'dual_operand', 'opcode': '01_10', 'short': 'RA <= ~RB', 'description': 'Invert all bits of RB, result written into RA.', 'category': 'Boolean'},
+    'XOR' : {'format': 'dual_operand', 'opcode': '01_11', 'short': 'RA <= RA ^ RB', 'description': 'XOR of RA and RB, result written into RA.', 'category': 'Boolean'},
 
     # Various
     'MOV' : {'format': 'dual_operand', 'opcode': '10_00', 'short': 'RA <= RB', 'description': 'Move value of RB into RA.', 'category': 'Move'},