diff --git a/phosphor-regulators/src/actions/i2c_capture_bytes_action.cpp b/phosphor-regulators/src/actions/i2c_capture_bytes_action.cpp
index 728daeb..0bb24b1 100644
--- a/phosphor-regulators/src/actions/i2c_capture_bytes_action.cpp
+++ b/phosphor-regulators/src/actions/i2c_capture_bytes_action.cpp
@@ -37,13 +37,13 @@
         uint8_t values[UINT8_MAX];
         interface.read(reg, size, values, i2c::I2CInterface::Mode::I2C);
 
-        // Build additional error data key
+        // Build additional error data key: <deviceID>_register_<register>
         std::ostringstream kss;
         kss << environment.getDeviceID() << "_register_0x" << std::hex
             << std::uppercase << static_cast<uint16_t>(reg);
         std::string key = kss.str();
 
-        // Build additional error data value
+        // Build additional error data value: [ <byte 0>, <byte 1>, ... ]
         std::ostringstream vss;
         vss << "[ " << std::hex << std::uppercase;
         for (unsigned int i = 0; i < count; ++i)
diff --git a/phosphor-regulators/src/actions/i2c_capture_bytes_action.hpp b/phosphor-regulators/src/actions/i2c_capture_bytes_action.hpp
index c17e191..0e7beb6 100644
--- a/phosphor-regulators/src/actions/i2c_capture_bytes_action.hpp
+++ b/phosphor-regulators/src/actions/i2c_capture_bytes_action.hpp
@@ -47,7 +47,7 @@
     /**
      * Constructor.
      *
-     * Throws an exception if any of the input parameters are invalid.
+     * Throws an exception if the count parameter is invalid.
      *
      * @param reg Device register address.  Note: named 'reg' because 'register'
      *            is a reserved keyword.