doc: Fix Doxygen errors

Change-Id: I5d5abf7b7eabe269a7c7b4d305a67fe910c887fd
Reviewed-on: https://chromium-review.googlesource.com/446480
Reviewed-by: Scott Graham <scottmg@chromium.org>

snapshot/cpu_context.h

@@ -140,7 +140,7 @@ struct CPUContextX86 {
   static uint16_t FxsaveToFsaveTagWord(
       uint16_t fsw, uint8_t fxsave_tag, const X87OrMMXRegister st_mm[8]);
 
-  //! \breif Converts x87 floating-point tag words from `fsave` (full, 16-bit)
+  //! \brief Converts x87 floating-point tag words from `fsave` (full, 16-bit)
   //!     to `fxsave` (abridged, 8-bit) form.
   //!
   //! This function performs the inverse operation of FxsaveToFsaveTagWord().

util/misc/zlib.h

@@ -23,8 +23,8 @@ namespace crashpad {
 //!     `inflateInit2()` that specifies a `gzip` wrapper instead of the default
 //!     zlib wrapper.
 //!
-//! \param[in] A \a window_bits value that only specifies the base-2 logarithm
-//!     of the deflate sliding window size.
+//! \param[in] window_bits A \a window_bits value that only specifies the base-2
+//!     logarithm of the deflate sliding window size.
 //!
 //! \return \a window_bits adjusted to specify a `gzip` wrapper, to be passed to
 //!     `deflateInit2()` or `inflateInit2()`.