Update 1.5.1-beta.1.md

Author: millennIumAMbiguity

changelogs/1.5.1-beta.1.md

@@ -1,9 +1,9 @@
 # Additions
-  * Added Engine boost. (Having multiple engies will increese effecency)
+  * Added Engine boost. (Having multiple engines will increase efficiency)
   * Added config `engineBoost`
   * Added config `engineBoostOffset`
   * Added config `engineBoostExponentialPower`
-  * Added config `speedMassScale` for chagning how mass effects max speed.
+  * Added config `speedMassScale` for changing how mass affects max speed.
   * Added Korean Localization.
 # Changes
   * Updated helm model.
@@ -13,4 +13,4 @@
   * Halev the mass effect on max speed.
 # Fixes
   * Updated dependencies.
-  * Fixed issue where the helm GUI lost data.
+  * Fixed an issue where the helm GUI lost data.