psnr.h,cosmetics: fix a typo (PNSR -> PSNR)

Change-Id: I2adea9f150852c106acc57e5aeeac571d6bd15fb

diff --git a/vpx_dsp/psnr.h b/vpx_dsp/psnr.h
index 9ebb64d..7c57aa4 100644 (file)
--- a/vpx_dsp/psnr.h
+++ b/vpx_dsp/psnr.h
@@ -26,7 +26,7 @@ typedef struct vpx_psnr_pkt PSNR_STATS;
 
 /*!\brief Converts SSE to PSNR
  *
- * Converts sum of squared errros (SSE) to peak signal-to-noise ratio (PNSR).
+ * Converts sum of squared errros (SSE) to peak signal-to-noise ratio (PSNR).
  *
  * \param[in]    samples       Number of samples
  * \param[in]    peak          Max sample value