fix typos

2 files changed, 2 insertions, 2 deletions

diff --git a/custom_mutators/README.md b/custom_mutators/README.md
index 35563d03..0abce32f 100644
--- a/custom_mutators/README.md
+++ b/custom_mutators/README.md
@@ -9,4 +9,4 @@ Use with e.g.
 
 and add `AFL_CUSTOM_MUTATOR_ONLY=1` if you only want to use the custom mutator.
 
-Multiple custom mutators can be used by seperating their paths with `:` in the environment variable.
+Multiple custom mutators can be used by separating their paths with `:` in the environment variable.
diff --git a/src/afl-fuzz.c b/src/afl-fuzz.c
index e7a855ff..f25f8bb6 100644
--- a/src/afl-fuzz.c
+++ b/src/afl-fuzz.c
@@ -138,7 +138,7 @@ static void usage(afl_state_t *afl, u8 *argv0, int more_help) {
       //"  -B bitmap.txt - mutate a specific test case, use the out/fuzz_bitmap
       //" "file\n"
       "  -C            - crash exploration mode (the peruvian rabbit thing)\n"
-      "  -e ext        - file extension for the fuzz test case case (if "
+      "  -e ext        - file extension for the fuzz test input file (if "
       "needed)\n\n",
       argv0, EXEC_TIMEOUT, MEM_LIMIT);