diff --git a/docs/running_psalm/issues/TaintedEval.md b/docs/running_psalm/issues/TaintedEval.md
index c1bce38b23f..afdf53ceeb0 100644
--- a/docs/running_psalm/issues/TaintedEval.md
+++ b/docs/running_psalm/issues/TaintedEval.md
@@ -1,6 +1,6 @@
 # TaintedEval
 
-Emitted when user-controlled input can be passed into to an `eval` call.
+Emitted when user-controlled input can be passed into an `eval` call.
 
 Passing untrusted user input to `eval` calls is dangerous, as it allows arbitrary data to be executed on your server.
 
diff --git a/docs/running_psalm/issues/TaintedHtml.md b/docs/running_psalm/issues/TaintedHtml.md
index ff8add010c3..012a3121d80 100644
--- a/docs/running_psalm/issues/TaintedHtml.md
+++ b/docs/running_psalm/issues/TaintedHtml.md
@@ -1,6 +1,6 @@
 # TaintedHtml
 
-Emitted when user-controlled input that can contain HTML can be passed into to an `echo` statement.
+Emitted when user-controlled input that can contain HTML can be passed into an `echo` statement.
 
 ## Risk
 
diff --git a/docs/running_psalm/issues/TaintedInclude.md b/docs/running_psalm/issues/TaintedInclude.md
index 929adb8a296..8f088dfcadf 100644
--- a/docs/running_psalm/issues/TaintedInclude.md
+++ b/docs/running_psalm/issues/TaintedInclude.md
@@ -1,6 +1,6 @@
 # TaintedInclude
 
-Emitted when user-controlled input can be passed into to an `include` or `require` expression.
+Emitted when user-controlled input can be passed into an `include` or `require` expression.
 
 Passing untrusted user input to `include` calls is dangerous, as it can allow an attacker to execute arbitrary scripts on your server.
 
diff --git a/docs/running_psalm/issues/TaintedShell.md b/docs/running_psalm/issues/TaintedShell.md
index a91e1f1b188..5f0e2f718bc 100644
--- a/docs/running_psalm/issues/TaintedShell.md
+++ b/docs/running_psalm/issues/TaintedShell.md
@@ -1,6 +1,6 @@
 # TaintedShell
 
-Emitted when user-controlled input can be passed into to an `exec` call or similar.
+Emitted when user-controlled input can be passed into an `exec` call or similar.
 
 ```php
 <?php
diff --git a/docs/running_psalm/issues/TaintedSql.md b/docs/running_psalm/issues/TaintedSql.md
index 6b6b1f2a449..459a2d4f4c9 100644
--- a/docs/running_psalm/issues/TaintedSql.md
+++ b/docs/running_psalm/issues/TaintedSql.md
@@ -1,6 +1,6 @@
 # TaintedSql
 
-Emitted when user-controlled input can be passed into to a SQL command.
+Emitted when user-controlled input can be passed into a SQL command.
 
 ```php
 <?php
diff --git a/docs/running_psalm/issues/TaintedTextWithQuotes.md b/docs/running_psalm/issues/TaintedTextWithQuotes.md
index ed1d4243fe8..a7dc3b93e0f 100644
--- a/docs/running_psalm/issues/TaintedTextWithQuotes.md
+++ b/docs/running_psalm/issues/TaintedTextWithQuotes.md
@@ -1,6 +1,6 @@
 # TaintedTextWithQuotes
 
-Emitted when user-controlled input that can contain quotation marks can be passed into to an `echo` statement.
+Emitted when user-controlled input that can contain quotation marks can be passed into an `echo` statement.
 
 ## Risk
 
diff --git a/docs/running_psalm/issues/TaintedXpath.md b/docs/running_psalm/issues/TaintedXpath.md
index 22616446aa9..7f207ce3f37 100644
--- a/docs/running_psalm/issues/TaintedXpath.md
+++ b/docs/running_psalm/issues/TaintedXpath.md
@@ -1,6 +1,6 @@
 # TaintedXpath
 
-Emitted when user-controlled input can be passed into to a xpath query.
+Emitted when user-controlled input can be passed into a xpath query.
 
 ```php
 <?php