diff --git a/README.md b/README.md
index 2cc879cc..cfa98e67 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 ## Organisation
 
-This respository contains 3 folders:
+This repository contains 3 folders:
 - `circuits`: it contains the implementation of different cryptographic primitives in circom language.
 - `doc`: it contains some circuit schemes in ASCII (must be opened with Monodraw, an ASCII art editor for Mac).
 - `test`: tests.
diff --git a/circuits/README.md b/circuits/README.md
index 40a833e7..8e091f46 100644
--- a/circuits/README.md
+++ b/circuits/README.md
@@ -15,7 +15,7 @@
 ## Jordi
 
 * compconstant - Returns 1 if `in` (expanded to binary array) > `ct`
-* aliascheck - check if `in` (expanded to binary array) oveflowed its 254 bits (<= -1)
+* aliascheck - check if `in` (expanded to binary array) overflowed its 254 bits (<= -1)
 * babyjub - twisted Edwards curve 168700.x^2 + y^2 = 1 + 168696.x^2.y^2
   * BabyAdd - (`xout`,`yout`) = (`x1`,`y1`) + (`x2`,`y2`)
   * BabyDbl - (`xout`,`yout`) = 2*(`x`,`y`)
@@ -129,7 +129,7 @@ Arithmetic on [Baby Jubjub elliptic curve](https://github.com/barryWhiteHat/baby
 
 - `BinSub(n)`
 
-    - DESCRIPTION: binary substraction.
+    - DESCRIPTION: binary subtraction.
     - SCHEMA
     - INPUT
     - OUTPUT