Fix typo

Co-authored-by: Ralf Handl <[email protected]>

Author: handrews

Diff for: CONTRIBUTING.md

@@ -46,7 +46,7 @@ For information on the branch and release strategy for OAS 3.0.4 and 3.1.1 and e
 Upon release:
 
 * Pre-release steps:
-    * The most recent _published_ patch release from the previoius line is merged up to `vX.Y-dev`, if relevant
+    * The most recent _published_ patch release from the previous line is merged up to `vX.Y-dev`, if relevant
     * If doing simultaneous releases on multiple lines, do them from the oldest to newest line
     * If the release is the most recent on the current line, merge `vX.Y-dev` to `dev`
     * For example, if releasing 3.1.3 and 3.2.0: