diff --git a/docs/build/building-modules/03-msg-services.md b/docs/build/building-modules/03-msg-services.md
index 5ec1fa6d2b..1ace918dd6 100644
--- a/docs/build/building-modules/03-msg-services.md
+++ b/docs/build/building-modules/03-msg-services.md
@@ -33,7 +33,7 @@ When possible, the existing module's [`Keeper`](./06-keeper.md) should implement
 https://github.com/cosmos/cosmos-sdk/blob/28fa3b8/x/bank/keeper/msg_server.go#L16-L19
 ```
 
-`msgServer` methods can retrieve the auxillary information or services using the environment variable, it is always located in the keeper:
+`msgServer` methods can retrieve the auxiliary information or services using the environment variable, it is always located in the keeper:
 
 Environment: 
 
diff --git a/docs/build/building-modules/17-preblock.md b/docs/build/building-modules/17-preblock.md
index 3f95a70f7b..81c81bd94b 100644
--- a/docs/build/building-modules/17-preblock.md
+++ b/docs/build/building-modules/17-preblock.md
@@ -21,4 +21,4 @@ There are two semantics around the new lifecycle method:
 * It runs before the `BeginBlocker` of all modules
 * It can modify consensus parameters in storage, and signal the caller through the return value.
 
-Modules are required to get the consensus params from the consensus module. Consensus params located in `sdk.Context` were depreacted and should be treated as unsafe. `sdk.Context` is deprecated due to it being a global state within the entire state machine, it has been replaced with `appmodule.Environment`.
+Modules are required to get the consensus params from the consensus module. Consensus params located in `sdk.Context` were deprecated and should be treated as unsafe. `sdk.Context` is deprecated due to it being a global state within the entire state machine, it has been replaced with `appmodule.Environment`.