diff --git a/cmd/btcctl/config.go b/cmd/btcctl/config.go
index 13342e62..f6ca8846 100644
--- a/cmd/btcctl/config.go
+++ b/cmd/btcctl/config.go
@@ -158,7 +158,7 @@ func normalizeAddress(addr string, chain *chaincfg.Params, useWallet bool) (stri
 	return addr, nil
 }
 
-// cleanAndExpandPath expands environement variables and leading ~ in the
+// cleanAndExpandPath expands environment variables and leading ~ in the
 // passed path, cleans the result, and returns it.
 func cleanAndExpandPath(path string) string {
 	// Expand initial ~ to OS specific home directory.
diff --git a/cmd/gencerts/gencerts.go b/cmd/gencerts/gencerts.go
index c0a27ad3..27c9ae38 100644
--- a/cmd/gencerts/gencerts.go
+++ b/cmd/gencerts/gencerts.go
@@ -76,7 +76,7 @@ func main() {
 	}
 }
 
-// cleanAndExpandPath expands environement variables and leading ~ in the
+// cleanAndExpandPath expands environment variables and leading ~ in the
 // passed path, cleans the result, and returns it.
 func cleanAndExpandPath(path string) string {
 	// Expand initial ~ to OS specific home directory.
diff --git a/config.go b/config.go
index 1fe0767f..18620a00 100644
--- a/config.go
+++ b/config.go
@@ -105,9 +105,9 @@ type config struct {
 	BanDuration          time.Duration `long:"banduration" description:"How long to ban misbehaving peers.  Valid time units are {s, m, h}.  Minimum 1 second"`
 	BanThreshold         uint32        `long:"banthreshold" description:"Maximum allowed ban score before disconnecting and banning misbehaving peers."`
 	BlockMaxSize         uint32        `long:"blockmaxsize" description:"Maximum block size in bytes to be used when creating a block"`
-	BlockMinSize         uint32        `long:"blockminsize" description:"Mininum block size in bytes to be used when creating a block"`
+	BlockMinSize         uint32        `long:"blockminsize" description:"Minimum block size in bytes to be used when creating a block"`
 	BlockMaxWeight       uint32        `long:"blockmaxweight" description:"Maximum block weight to be used when creating a block"`
-	BlockMinWeight       uint32        `long:"blockminweight" description:"Mininum block weight to be used when creating a block"`
+	BlockMinWeight       uint32        `long:"blockminweight" description:"Minimum block weight to be used when creating a block"`
 	BlockPrioritySize    uint32        `long:"blockprioritysize" description:"Size in bytes for high-priority/low-fee transactions when creating a block"`
 	BlocksOnly           bool          `long:"blocksonly" description:"Do not accept transactions from remote peers."`
 	ConfigFile           string        `short:"C" long:"configfile" description:"Path to configuration file"`
diff --git a/doc.go b/doc.go
index d78e09f7..47e4e626 100644
--- a/doc.go
+++ b/doc.go
@@ -36,11 +36,11 @@ Application Options:
 	                            and banning misbehaving peers. (default: 100)
 	    --blockmaxsize=         Maximum block size in bytes to be used when
 	                            creating a block (default: 750000)
-	    --blockminsize=         Mininum block size in bytes to be used when
+	    --blockminsize=         Minimum block size in bytes to be used when
 	                            creating a block
 	    --blockmaxweight=       Maximum block weight to be used when creating a
 	                            block (default: 3000000)
-	    --blockminweight=       Mininum block weight to be used when creating a
+	    --blockminweight=       Minimum block weight to be used when creating a
 	                            block
 	    --blockprioritysize=    Size in bytes for high-priority/low-fee
 	                            transactions when creating a block (default: