diff --git a/builtin.aqua b/builtin.aqua
index adf1e8b..835a156 100644
--- a/builtin.aqua
+++ b/builtin.aqua
@@ -8,10 +8,10 @@ alias Pairs : [][]string
 alias Base58String : string
 alias Hash : string
 
--- There are two types of dependencies: named and by-hash. 
+-- There are two types of dependencies: named and by-hash.
 -- name:foobar      – specifies dependency by module name, points to a module with import name 'foobar'
 -- hash:04dc884...  – specifies dependency by module hash
--- By-hash dependencies are preffered since they are deteremenistic 
+-- By-hash dependencies are preffered since they are determenistic
 -- while by-name dependency can yield different modules at different points in time
 alias Dependency : string
 
@@ -84,7 +84,7 @@ service Op("op"):
     -- Argument: s - string to apply sha256 to (hash is applied to utf8 bytes of s)
     -- Returns: returns sha256 multihash encoded as base58
     sha256_string(s: string) -> Base58String
-    
+
     -- concatenate strings (in AIR it takes any number of arguments)
     concat_strings(a: string, b: string) -> string
 
@@ -127,7 +127,7 @@ service Kademlia("kad"):
     --  target – base58 string; result is sorted by XOR distance to target
     --  left – list of base58 strings
     --  right – list of base58 strings
-    --  count – how many items to return, unlimited by default
+    --  count – how many items to return; default 20
     -- Returns: list of base58 strings sorted by distance to target; list will contain at most count elements
     merge(target: Base58String, left: []string, right: []string, count: ?u32) -> []string
 
@@ -171,10 +171,10 @@ service Dist("dist"):
     --  logger_enabled     - Defines whether Marine should provide a special host log_utf8_string function for this module
     --  preopened_files    - Files available for this module. Module can access only files from this list
     --  envs               - environment variables available for this module
-    --  mapped_dirs        - Directory mapping, e.g. [["/sites", "./web/data"]] so all 
+    --  mapped_dirs        - Directory mapping, e.g. [["/sites", "./web/data"]] so all
     --                       reads & writes to /sites will actually to go ./web/data
-    --  mounted_binaries   - Mapping of host binaries available to call from module, 
-    --                       e.g. [["curl", "/usr/bin/curl"]] will allow module to 
+    --  mounted_binaries   - Mapping of host binaries available to call from module,
+    --                       e.g. [["curl", "/usr/bin/curl"]] will allow module to
     --                       call /usr/bin/curl binary as function 'curl'
     --  logging_mask       - Binary mask to enable & disable logging targets. Targets are
     --                       configured in WasmLoggerBuilder::with_target_map
@@ -220,7 +220,7 @@ service Script("script"):
     -- Arguments:
     --  air_script - raw AIR script without any undefined variables
     --  interval   - if not set, script will be ran only once
-    --               if set, script will be ran once in the interval 
+    --               if set, script will be ran once in the interval
     --               (NOTE: actual interval may vary by up to 3 seconds)
     -- TODO: change interval to ?u64 when node API is updated
     add(air_script: string, interval: ?string) -> string