diff --git a/pkgs/build-support/fetchgit/nix-prefetch-git b/pkgs/build-support/fetchgit/nix-prefetch-git
index 1a0b3bc56919..ba2dfa2fb2c4 100755
--- a/pkgs/build-support/fetchgit/nix-prefetch-git
+++ b/pkgs/build-support/fetchgit/nix-prefetch-git
@@ -17,8 +17,8 @@ branchName=$NIX_PREFETCH_GIT_BRANCH_NAME
 out=${out:-}
 http_proxy=${http_proxy:-}
 
-# allow overwritting cacert's ca-bundle.crt with a custom one
-# this can be done by setting NIX_GIT_SSL_CAINFO and NIX_SSL_CERT_FILE enviroment variables for the nix-daemon
+# allow overwriting cacert's ca-bundle.crt with a custom one
+# this can be done by setting NIX_GIT_SSL_CAINFO and NIX_SSL_CERT_FILE environment variables for the nix-daemon
 GIT_SSL_CAINFO=${NIX_GIT_SSL_CAINFO:-$GIT_SSL_CAINFO}
 
 # populated by clone_user_rev()