diff --git a/aom/aom_encoder.h b/aom/aom_encoder.h
index d548001..029312d 100644
--- a/aom/aom_encoder.h
+++ b/aom/aom_encoder.h
@@ -657,7 +657,7 @@
   /*!\brief Rate control adaptation undershoot control
    *
    * This value, controls the tolerance of the VBR algorithm to undershoot
-   * and is used as a trigger threshold for more agressive adaptation of Q.
+   * and is used as a trigger threshold for more aggressive adaptation of Q.
    *
    * Valid values in the range 0-100.
    */
@@ -666,9 +666,9 @@
   /*!\brief Rate control adaptation overshoot control
    *
    * This value, controls the tolerance of the VBR algorithm to overshoot
-   * and is used as a trigger threshold for more agressive adaptation of Q.
+   * and is used as a trigger threshold for more aggressive adaptation of Q.
    *
-   * Valid values in the range 0-1000.
+   * Valid values in the range 0-100.
    */
   unsigned int rc_overshoot_pct;