diff --git a/src/DB.cc b/src/DB.cc
index f3ae3878..8c83b523 100644
--- a/src/DB.cc
+++ b/src/DB.cc
@@ -275,7 +275,7 @@ DBStatement *DB::get_statement_internal(StatementID statement_id) {
     }
     
     if (statement_id.is_parameterized()) {
-        // printf("#DEBUG exanding %x '%s' to ", statement_id.flags, sql_query.c_str());
+        // printf("#DEBUG expanding %x '%s' to ", statement_id.flags, sql_query.c_str());
         auto start = sql_query.find("@SIZE@");
         if (start != std::string::npos) {
             sql_query.replace(start, 6, statement_id.has_size() ? "and size = :size" : "");
diff --git a/src/sha1.cc b/src/sha1.cc
index 0a42b135..b3b1443c 100644
--- a/src/sha1.cc
+++ b/src/sha1.cc
@@ -159,7 +159,7 @@ sha_transform(struct sha_ctx *ctx, uint32_t *data) {
     D = ctx->digest[3];
     E = ctx->digest[4];
 
-    /* Heavy mangling, in 4 sub-rounds of 20 interations each. */
+    /* Heavy mangling, in 4 sub-rounds of 20 iterations each. */
     subRound(A, B, C, D, E, f1, K1, data[0]);
     subRound(E, A, B, C, D, f1, K1, data[1]);
     subRound(D, E, A, B, C, f1, K1, data[2]);
@@ -329,7 +329,7 @@ SHA1Final(unsigned char digest[20], SHA1_CTX *ctx) {
     else
 	for (i = words; i < SHA_DATALEN - 2; i++)
 	    data[i] = 0;
-    /* Theres 512 = 2^9 bits in one block */
+    /* There's 512 = 2^9 bits in one block */
     data[SHA_DATALEN - 2] = (ctx->count_h << 9) | (ctx->count_l >> 23);
     data[SHA_DATALEN - 1] = (ctx->count_l << 9) | (ctx->index << 3);
     sha_transform(ctx, data);